BLUE

Air Force Blue

#5D8AA8

Conversions

HEX#5D8AA8

RGBrgb(93, 138, 168)

HSLhsl(204, 30%, 51%)

HSVhsv(204, 45%, 66%)

CMYKcmyk(45%, 18%, 0%, 34%)

Copy CSS

color: #5d8aa8;
/* rgb  */ color: rgb(93, 138, 168);
/* hsl  */ color: hsl(204, 30%, 51%);

Contrast

On whiteFail · 3.71 : 1

On ink blackPass · 5.16 : 1

Shades

Tints

Pairings

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.

Contrast of common text colors on Air Force Blue. AA normal text needs 4.5:1, AA large text and non-text elements need 3:1, AAA normal text needs 7:1.
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.

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)

Use Air Force Blue in a tool

Nearby colors

Last updated 5 August 2026 by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.