#515c6d

Color #515c6d

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 11.28 Nearest Tailwind class gray-600 #4a5565 · ΔE 2.5

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

Conversions

HEX

#515c6d

RGB

rgb(81, 92, 109)

HSL

hsl(216.4, 14.7%, 37.3%)

HSV / HSB

hsv(216.4, 25.7%, 42.7%)

CMYK

cmyk(25.7%, 15.6%, 0%, 57.3%)

LAB

lab(38.74, -0.05, -11.09)

LCH

lch(38.74, 11.09, 269.74)

OKLCH

oklch(47.2%, 0.0309, 258.98)

HWB

hwb(216.4, 31.8%, 57.3%)

Harmony colors

Complementary

#6d6251

Analogous

#516a6d

#515c6d

#54516d

Triadic

#515c6d

#6d515c

#5c6d51

Split-complementary

#515c6d

#6d5451

#6a6d51

Tetradic

#515c6d

#62516d

#6d6251

#5c6d51

Square

#515c6d

#6d516a

#6d6251

#516d54

Shades

Color #515c6d mixed toward black.

#444d5b

#363d49

#292e37

#1b1f24

#0e0f12

Tints

Color #515c6d mixed toward white.

#68768c

#8591a4

#a3adbb

#c2c8d2

#e0e4e8

Tones

Color #515c6d mixed toward gray.

#535d6b

#565d68

#585e66

#5a5e64

#5d5f61

Accessibility

Aa White text on this color

6.77:1

Aa Black text on this color

3.1:1

White text reads better on this background (6.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#565669 · ΔE 6.1

Deuteranopia

#555468 · ΔE 7

Tritanopia

#526665 · ΔE 11.8

Achromatopsia

#5b5b5b · ΔE 8.9

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

Code

CSS

background-color: #515c6d;

Tailwind (arbitrary value)

bg-[#515c6d]

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

#515c6d (#515c6d) is rgb(81, 92, 109) in RGB.

No, #515c6d 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 #515c6d, or check how it holds up for accessibility.

Generate a palette → Check contrast