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The Basics
The Color: Medium blue, solid on the C3 and metallic on the C4
GM Codes: 922, 23
Years Offered: 1973–1974, 1984–1985 (4 model years)
Generations: C3 (1968–82), C4 (1984–96)
Built: 3,863 with GM counts; no counts for 1973–1974
Best Year: 1985, 2,041 cars (5.1% of the year)
Color Family: Blue (every blue Corvette color)
Also Called: Code 922 (1973–74, Corvette Medium Blue in 1974), 23 (1984–85); the 1986–89 Medium Blue Metallic is on the Nassau Blue page
Paint Codes: 1973–1974: WA4069; 1984–1985: WA7721 / PPG 3605 / DuPont B8323
Pictures: 4 picture posts on the site, one per model year
The Overview
Medium Blue Metallic was offered on the Corvette in 1973–1974, 1984–1985: 4 model years across the C3, C4 generations. GM’s color counts put 3,863 Medium Blue Corvettes on the road, 2,041 of them in 1985 alone; no per-color records survive for 1973–1974.
Medium blue, solid on the C3 and metallic on the C4. Its share of a year’s production ran from 4 to 5 percent. It was a no-cost color. The interiors most often paired with it were Black, Medium Blue. The chart below shows the run year by year; the generation sections carry every year’s code, count, share, interiors and picture.
This page has every year Medium Blue was offered with its GM code, how many were built, its share of the year and the interiors it came with, the site’s picture gallery for each year, a chart of the run, the related colors, and the FAQs. It is one of 77 color pages on CorvSport; the Blue Corvettes page lists every blue the factory ever sprayed, and Corvette Colors by Year has the full chart for each model year.
The Story of Medium Blue
Two colors: the solid Medium Blue of 1973 and 1974 (no GM counts survive) and the Medium Blue Metallic of the 1984 and 1985 C4, 1,822 and 2,041 cars, which was also half of the Light Blue / Medium Blue two-tone. From 1986 the same code 20 Medium Blue Metallic was marketed as Nassau Blue, and those years are on that page.
The site’s 1979 picture post titled Medium Blue has no matching row on the 1979 chart, which lists Corvette Light Blue (Frost Blue) and Corvette Dark Blue.
The Medium Blue Cars to Know
1984–85 Two-tone Light Blue / Medium Blue (D84); 1985 Medium Blue Metallic (2,041); 1973 Medium Blue coupes.
Also on the site: a 1979 picture post titled Medium Blue — picture posts with no matching row on that year’s chart, kept here for the pictures.
MORE: THE MOST POPULAR COLORS BY GENERATION / 70 YEARS OF LEAST & MOST POPULAR COLORS / ALL BLUE CORVETTES

Medium Blue by Generation
Medium Blue across the 2 generations it was offered on: the years, the GM paint code each generation used, how many were built with GM’s counts, the biggest year and the interiors most often paired with it. Each generation has its own section below with every year.
MORE: THE C3 HUB / THE C4 HUB
| GENERATION | YEARS | CODE(S) | BUILT | BEST YEAR | INTERIORS |
|---|---|---|---|---|---|
| C3 Corvette | 1973–1974 | 922 | no counts | — | Black |
| C4 Corvette | 1984–1985 | 23 | 3,863 | 1985 (2,041) | Medium Blue |
Medium Blue on the C3 Corvette (1968–82)
Medium Blue on the C3 (1968–82): offered 1973–1974 as code 922. No per-color counts survive for 1973–1974. Every year links to its research page (the full color chart, options and prices for that year) and to the site’s picture post for the color.
MORE: THE C3 HUB / THE 1973 RESEARCH PAGE / ALL C3 COLOR POSTS / ALL C3 COLORS
Medium Blue C3 Corvettes: The Pictures
The site’s picture post for each year Medium Blue was offered on the C3: real cars in the real color, which no swatch shows properly.
Medium Blue on the C4 Corvette (1984–96)
Medium Blue on the C4 (1984–96): offered 1984–1985 as code 23. 3,863 cars by GM’s count, the best year 1985 with 2,041. Every year links to its research page (the full color chart, options and prices for that year) and to the site’s picture post for the color.
MORE: THE C4 HUB / THE 1985 RESEARCH PAGE / ALL C4 COLOR POSTS / ALL C4 COLORS
Colors Related to Medium Blue
The colors that came before and after Medium Blue, the ones it is confused with and the ones that shared its slot on the chart. Each has its own page or a line on its family page.
MORE: EVERY BLUE CORVETTE COLOR / ALL CORVETTE COLORS / COLORS BY YEAR
| COLOR | YEARS | BUILT | FAMILY | |
|---|---|---|---|---|
| Nassau Blue | 1965–1966, 1986–1989, 1997–2000 | 20,769 | Blue | See the Nassau Blue page |
| Light Blue | 1977, 1984–1985 | 8,184 | Blue | See the Light Blue page |
| Dark Blue | 1973, 1977–1982, 1988–1989 | 23,140 | Blue | See the Dark Blue page |
| Bright Blue | 1975–1976, 1981–1982 | 6,705 | Blue | See the Bright Blue page |
Medium Blue Paint Codes: GM, WA, PPG and DuPont
The codes a body shop or a judge needs for Medium Blue: the GM order code on the trim tag or service parts label, GM’s WA formula number and the PPG / Ditzler and DuPont mixing codes where they are documented. Where a code is blank the sources did not list one; the notes say where a source disagreed.
MORE: THE RPO CODES LIBRARY / THE VIN DECODER
| YEARS | GM CODE | WA | PPG / DITZLER | DUPONT | NOTES |
|---|---|---|---|---|---|
| 1973–1974 | 922 (1973) / 22 (1974) | WA4069 | — | — | Medium blue metallic (C3); listed as 'Mulsanne Blue Metallic' by automotivetouchup. (confidence: medium) |
| 1984–1985 | 23 | WA7721 | 3605 | B8323 | Medium blue metallic. |
Blue Corvette Wallpapers
Desktop and phone wallpapers of blue Corvettes from the site’s wallpaper collections.
Blue Corvette Wallpapers — the color collection
All Corvette Wallpapers — by generation and by color
FAQs
What years was the Corvette offered in Medium Blue?
1973–1974, 1984–1985: 4 model years on the C3, C4. Two colors: the solid Medium Blue of 1973 and 1974 (no GM counts survive) and the Medium Blue Metallic of the 1984 and 1985 C4, 1,822 and 2,041 cars, which was also half of the Light Blue / Medium Blue two-tone.
What is the GM paint code for Medium Blue?
GM used 922, 23 across the years; the code changed when GM changed its coding system, not the paint. The paint-shop codes are 1973–1974: WA4069; 1984–1985: WA7721 / PPG 3605 / DuPont B8323.
How many Medium Blue Corvettes were built?
3,863 by GM’s counts (2,041 in 1985, the biggest year); GM kept no color records for 1973–1974, so the true figure is higher.
Which Corvette models and editions came in Medium Blue?
1984–85 Two-tone Light Blue / Medium Blue (D84); 1985 Medium Blue Metallic (2,041); 1973 Medium Blue coupes. In its years it was available on every body style and model unless the year’s note says otherwise; the year tables above say which.
Is Medium Blue a metallic, a tintcoat or a solid color?
Medium blue, solid on the C3 and metallic on the C4. It was a no-cost color in every year it was offered.
What was the most popular year for Medium Blue?
1985, with 2,041 cars, 5.1% of that year’s production.
What colors are similar to Medium Blue?
Nassau Blue, Light Blue, Dark Blue, Bright Blue. The Blue Corvettes page has every blue the factory offered, with the years and counts side by side.
Where can I see pictures of Medium Blue Corvettes?
The site has a picture post for each year Medium Blue was offered — real cars photographed in the real color — linked from the year tables above and in the picture grids on this page; the Blue Corvettes page and the wallpaper collection have more.
How does the Medium Blue page fit with the rest of the Corvette colors research?
Every model year has a research page with the full color chart (codes, counts, interiors and soft tops), the Colors by Year page indexes them, every color with three or more years has a page like this one, and the twelve family pages (Red, Blue, Black, White, Silver, Yellow, Gray, Green, Orange, Purple, Gold, Brown) list every shade ever offered.









































