#51575b

Color #51575b

A nearly neutral, gray-leaning dark blue.

Closest named color Dim Gray #696969 · ΔE 8.54 Nearest Tailwind class mist-600 #4b585b · ΔE 3.6

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

Conversions

HEX

#51575b

RGB

rgb(81, 87, 91)

HSL

hsl(204, 5.8%, 33.7%)

HSV / HSB

hsv(204, 11%, 35.7%)

CMYK

cmyk(11%, 4.4%, 0%, 64.3%)

LAB

lab(36.6, -1.46, -3.13)

LCH

lch(36.6, 3.45, 244.99)

OKLCH

oklch(45.3%, 0.01, 236.78)

HWB

hwb(204, 31.8%, 64.3%)

Harmony colors

Complementary

#5b5551

Analogous

#515b5a

#51575b

#51525b

Triadic

#51575b

#5b5157

#575b51

Split-complementary

#51575b

#5b5152

#5b5a51

Tetradic

#51575b

#55515b

#5b5551

#575b51

Square

#51575b

#5a515b

#5b5551

#525b51

Shades

Color #51575b mixed toward black.

#43484c

#363a3d

#282b2d

#1b1d1e

#0d0e0f

Tints

Color #51575b mixed toward white.

#6b7379

#889095

#a6abaf

#c3c7ca

#e1e3e4

Tones

Color #51575b mixed toward gray.

#52575a

#535759

#535658

#545658

#555657

Accessibility

Aa White text on this color

7.33:1

Aa Black text on this color

2.86:1

White text reads better on this background (7.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#54545a · ΔE 4

Deuteranopia

#53535a · ΔE 4.5

Tritanopia

#515959 · ΔE 3

Achromatopsia

#565656 · ΔE 3.5

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

Code

CSS

background-color: #51575b;

Tailwind (arbitrary value)

bg-[#51575b]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#51575b (#51575b) is rgb(81, 87, 91) in RGB.

No, #51575b 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #51575b, or check how it holds up for accessibility.

Generate a palette → Check contrast