#557a8e

Color #557a8e

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 7.87 Nearest Tailwind class mist-500 #67787c · ΔE 7.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#557a8e

RGB

rgb(85, 122, 142)

HSL

hsl(201.1, 25.1%, 44.5%)

HSV / HSB

hsv(201.1, 40.1%, 55.7%)

CMYK

cmyk(40.1%, 14.1%, 0%, 44.3%)

LAB

lab(49.26, -7.59, -14.98)

LCH

lch(49.26, 16.79, 243.13)

OKLCH

oklch(56%, 0.052, 232.58)

HWB

hwb(201.1, 33.3%, 44.3%)

Harmony colors

Complementary

#8e6955

Analogous

#558e86

#557a8e

#555d8e

Triadic

#557a8e

#8e557a

#7a8e55

Split-complementary

#557a8e

#8e555d

#8e8655

Tetradic

#557a8e

#69558e

#8e6955

#7a8e55

Square

#557a8e

#86558e

#8e6955

#5d8e55

Shades

Color #557a8e mixed toward black.

#476676

#39515f

#2a3d47

#1c292f

#0e1418

Tints

Color #557a8e mixed toward white.

#6b92a7

#89a8b8

#a6beca

#c4d3dc

#e1e9ed

Tones

Color #557a8e mixed toward gray.

#5a7989

#5e7784

#637680

#68747b

#6d7376

Accessibility

Aa White text on this color

4.6:1

Aa Black text on this color

4.56:1

White text reads better on this background (4.6:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#676789 · ΔE 16.9

Deuteranopia

#656288 · ΔE 18.3

Tritanopia

#578685 · ΔE 11.6

Achromatopsia

#757575 · ΔE 13.2

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

Code

CSS

background-color: #557a8e;

Tailwind (arbitrary value)

bg-[#557a8e]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Steel Blue #4682b4

Light Blue #add8e6

Frequently asked questions

#557a8e (#557a8e) is rgb(85, 122, 142) in RGB.

No, #557a8e is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #557a8e, or check how it holds up for accessibility.

Generate a palette → Check contrast