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#5588AF Color

#5588AF is rgb(85, 136, 175) in RGB, hsl(206, 36%, 51%) in HSL, and about cmyk(51%, 22%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Air Force Blue (#5D8AA8), clearly related but distinguishable side by side at ΔE 5.33. Black text is the more readable choice on this background.

#5588AF
HEX#5588AF
RGBrgb(85, 136, 175)
HSLhsl(206, 36%, 51%)
HSVhsv(206, 51%, 69%)
CMYKcmyk(51%, 22%, 0%, 31%)
OKLCHoklch(60.7% 0.081 242.7)
LABlab(54.31% -9.20 -26.32)
LCHlch(54.31% 27.88 250.73)

What #5588AF Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #5588AF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Air Force Blue#5D8AA8ΔE 5.33Silver Lake Blue#5D89BAΔE 6.26Steel Blue#4682B4ΔE 6.97Cerulean Frost#6D9BC3ΔE 7.63Blue-gray#6699CCΔE 9.24Glaucous#6082B6ΔE 9.49

Browse the full index of named colors A-Z or every blue in the library.

#5588AF Channel Values

How #5588AF breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 85 · G 136 · B 1758-bit channels as sent to the display
HSLH 206° · S 36% · L 51%Easiest model for building lighter and darker variants
HSVH 206° · S 51% · V 69%Matches the picker in most design tools
CMYKC 51% · M 22% · Y 0% · K 31%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.8:1 vs white · 5.53:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #5588AF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text3.8:1AA normal AA large AAA normal
TextBlack text5.53:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #5588AF in the contrast checker.

Colors That Go With #5588AF

Pairings derived from color-wheel relationships. The complementary color sits opposite #5588AF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#5588AF
Complementary
#AF7C55
Analogous
#55AFA9
Analogous
#555BAF
Triadic
#AF5588
Triadic
#88AF55
Split comp.
#AF555B
Split comp.
#AFA955

Tints & Shades of #5588AF

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#6D99BA
#82A8C4
#9AB9D0
#B3CADB
#CBDBE7
#E0E9F0

Shades

#487699
#3E6684
#33536C
#274053
#1C2D3B
#121D26

Want a full 50-950 ramp with semantic roles? Generate design tokens from #5588AF.

How #5588AF Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#5588AF
Protanopia#8181AF
Protanomaly#7284AF
Deuteranopia#7A7AB0
Deuteranomaly#6D80AF
Tritanopia#4A8E8E
Tritanomaly#4E8B9C
Achromatopsia#838383

Test a full palette in the color blindness simulator.

Using #5588AF in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-5588af: #5588AF;
CSS backgroundbackground-color: #5588AF;
Tailwind configcolors: { 'color-5588af': '#5588AF' }
SwiftUIColor(red: 0.333, green: 0.533, blue: 0.686)
Android XML<color name="color_5588af">#5588AF</color>
SVG fillfill="#5588AF"

More Blue Colors

#5588AF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#5588AF Frequently Asked Questions

What color is #5588AF?

#5588AF is a mid-tone blue — rgb(85, 136, 175) in RGB and hsl(206, 36%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Air Force Blue (#5D8AA8), which is clearly related but distinguishable side by side at a CIE76 distance of 5.33.

What is the RGB value of #5588AF?

#5588AF is rgb(85, 136, 175) — red 85, green 136, and blue 175 on the 0-255 scale.

What is the CMYK value of #5588AF?

#5588AF converts to approximately cmyk(51%, 22%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #5588AF be black or white?

Black text is the more readable choice. #5588AF scores 3.8:1 against white and 5.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #5588AF as a CSS color keyword?

No. #5588AF is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is steelblue (#4682B4) at a CIE76 distance of 6.97, which is clearly related but distinguishable side by side.

Open #5588AF in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.