#5177b1

Color #5177b1

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 8.79 Nearest Tailwind class slate-500 #62748e · ΔE 7.4

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Conversions

HEX

#5177b1

RGB

rgb(81, 119, 177)

HSL

hsl(216.3, 38.1%, 50.6%)

HSV / HSB

hsv(216.3, 54.2%, 69.4%)

CMYK

cmyk(54.2%, 32.8%, 0%, 30.6%)

LAB

lab(49.64, 3.81, -34.85)

LCH

lch(49.64, 35.06, 276.24)

OKLCH

oklch(56.7%, 0.1002, 258.6)

HWB

hwb(216.3, 31.8%, 30.6%)

Harmony colors

Complementary

#b18b51

Analogous

#51a7b1

#5177b1

#5b51b1

Triadic

#5177b1

#b15177

#77b151

Split-complementary

#5177b1

#b15b51

#a7b151

Tetradic

#5177b1

#8b51b1

#b18b51

#77b151

Square

#5177b1

#b151a7

#b18b51

#51b15b

Shades

Color #5177b1 mixed toward black.

#436394

#354f77

#283b59

#1b283b

#0d141e

Tints

Color #5177b1 mixed toward white.

#6e8ebe

#8ba4cb

#a8bbd8

#c5d2e5

#e2e8f2

Tones

Color #5177b1 mixed toward gray.

#5979a9

#617aa1

#697c99

#717e91

#797f89

Accessibility

Aa White text on this color

4.54:1

Aa Black text on this color

4.62:1

Black text reads better on this background (4.62:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6464a5 · ΔE 10.3

Deuteranopia

#615ea2 · ΔE 11.8

Tritanopia

#539b99 · ΔE 25

Achromatopsia

#767676 · ΔE 19.7

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

Code

CSS

background-color: #5177b1;

Tailwind (arbitrary value)

bg-[#5177b1]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#5177b1 (#5177b1) is rgb(81, 119, 177) in RGB.

No, #5177b1 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 #5177b1, or check how it holds up for accessibility.

Generate a palette → Check contrast