Air Force Blue
#5D8AA8Air Force Blue is #5D8AA8, rgb(93, 138, 168).
About Air Force Blue
Air Force Blue is the hex color #5D8AA8, which translates to rgb(93, 138, 168) in RGB and hsl(204, 30%, 51%) in HSL. On the color wheel it sits at 204 degrees, with a saturation of 30 percent and a lightness of 51 percent. That combination puts Air Force Blue in the workable middle of the blue family, neither pastel nor fully saturated.
How Air Force Blue compares
The closest standard CSS keyword is lightslategray (#778899), a CIE76 distance of 10.7 away in CIELAB. That is a visible difference, so the keyword is not a substitute here. In the Tailwind CSS 4.3.1 palette the nearest token is slate-500 (#62748E), at a distance of 10.8. Inside this library the closest neighbour is Light Slate Gray at 10.7. Sorted by lightness, Air Force Blue is number 18 of the 30 blue colors here.
Text on Air Force Blue
One of the five common text colors below clears WCAG AA for normal text on Air Force Blue, led by Ink black at 5.16:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Air Force Blue already loaded as the background.
| Text color | Ratio | AA normal | AA large | AAA normal |
|---|---|---|---|---|
| White #FFFFFF | 3.71:1 | Fail | Pass | Fail |
| Ink black #0F0F12 | 5.16:1 | Pass | Pass | Fail |
| Mid grey #6B7280 | 1.30:1 | Fail | Fail | Fail |
| Dark grey #374151 | 2.78:1 | Fail | Fail | Fail |
| Light grey #E5E7EB | 2.99:1 | Fail | Fail | Fail |
Building a palette around Air Force Blue
The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Air Force Blue for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color, or open the palette generator with Air Force Blue locked and let it fill in the rest.
Full values for Air Force Blue
| Format | Value |
|---|---|
| HEX | #5D8AA8 |
| RGB | rgb(93, 138, 168) |
| HSL | hsl(204, 30%, 51%) |
| HSV | hsv(204, 45%, 66%) |
| CMYK | cmyk(45%, 18%, 0%, 34%) |
| OKLCH | oklch(61.26% 0.0671 238.50) |
| CIELAB | lab(55.41 -7.13 -20.66) |
Frequently asked questions
What is the RGB value of Air Force Blue?
Air Force Blue (#5D8AA8) is rgb(93, 138, 168): 93 red, 138 green and 168 blue on the 0 to 255 scale. Blue leads at 168, green follows at 138 and red trails at 93, which puts the hue at 204 degrees. In HSL the same color is hsl(204, 30%, 51%).
What colour is #5D8AA8?
#5D8AA8 is Air Force Blue, a mid blue colour with a hue of 204 degrees, 30% saturation and 51% lightness. For print the CMYK breakdown is 45% cyan, 18% magenta, 0% yellow and 34% black. Its nearest neighbour in this library is Light Slate Gray, 10.7 away in CIELAB, a difference you can see.
Is Air Force Blue a CSS color name?
No. Air Force Blue is not one of the 148 CSS named colors, so write it as #5D8AA8. The nearest keyword is lightslategray (#778899), a CIE76 distance of 10.7: far enough that the keyword reads as a different color.
What colors go with Air Force Blue?
Opposite Air Force Blue on the color wheel sits the complementary #A87B5D, the boldest accent by hue. For a calmer scheme use the analogous neighbours #5DA8A1 and #5D65A8; for a balanced three-color scheme use the triadic pair #A85D8A and #8AA85D. Of these, #5D65A8 has the most contrast against Air Force Blue, at 1.46:1, so pair it by hue, not for legibility.
What text color is readable on Air Force Blue?
Ink black (#0F0F12) is the most readable on Air Force Blue, at 5.16:1, which clears WCAG AA (4.5:1) but not AAA. 1 of the 5 common text colors tested passes AA for normal text.
Use Air Force Blue in a tool
Nearby colors
Last updated by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.