#5591cd

Color #5591cd

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 8.03 Nearest Tailwind class sky-600 #0084d1 · ΔE 6.3

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Conversions

HEX

#5591cd

RGB

rgb(85, 145, 205)

HSL

hsl(210, 54.5%, 56.9%)

HSV / HSB

hsv(210, 58.5%, 80.4%)

CMYK

cmyk(58.5%, 29.3%, 0%, 19.6%)

LAB

lab(58.59, -1.64, -36.78)

LCH

lch(58.59, 36.82, 267.45)

OKLCH

oklch(64.2%, 0.1102, 249.89)

HWB

hwb(210, 33.3%, 19.6%)

Harmony colors

Complementary

#cd9155

Analogous

#55cdcd

#5591cd

#5555cd

Triadic

#5591cd

#cd5591

#91cd55

Split-complementary

#5591cd

#cd5555

#cdcd55

Tetradic

#5591cd

#9155cd

#cd9155

#91cd55

Square

#5591cd

#cd55cd

#cd9155

#55cd55

Shades

Color #5591cd mixed toward black.

#3779bb

#2c6195

#214970

#16304b

#0b1825

Tints

Color #5591cd mixed toward white.

#71a3d5

#8eb6de

#aac8e6

#c6daee

#e3edf7

Tones

Color #5591cd mixed toward gray.

#5f91c3

#6991b9

#7391af

#7d91a5

#87919b

Accessibility

Aa White text on this color

3.32:1

Aa Black text on this color

6.32:1

Black text reads better on this background (6.32:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7474c1 · ΔE 14.9

Deuteranopia

#706cbe · ΔE 16.9

Tritanopia

#59b6b4 · ΔE 23.7

Achromatopsia

#8d8d8d · ΔE 20.1

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #5591cd;

Tailwind (arbitrary value)

bg-[#5591cd]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#5591cd (#5591cd) is rgb(85, 145, 205) in RGB.

No, #5591cd is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #5591cd, or check how it holds up for accessibility.

Generate a palette → Check contrast