#515e73

Color #515e73

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 12.99 Nearest Tailwind class slate-600 #45556c · ΔE 3.5

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Conversions

HEX

#515e73

RGB

rgb(81, 94, 115)

HSL

hsl(217.1, 17.3%, 38.4%)

HSV / HSB

hsv(217.1, 29.6%, 45.1%)

CMYK

cmyk(29.6%, 18.3%, 0%, 54.9%)

LAB

lab(39.57, 0.32, -13.52)

LCH

lch(39.57, 13.52, 271.36)

OKLCH

oklch(47.9%, 0.0377, 259.91)

HWB

hwb(217.1, 31.8%, 54.9%)

Harmony colors

Complementary

#736651

Analogous

#516f73

#515e73

#555173

Triadic

#515e73

#73515e

#5e7351

Split-complementary

#515e73

#735551

#6f7351

Tetradic

#515e73

#665173

#736651

#5e7351

Square

#515e73

#73516f

#736651

#517355

Shades

Color #515e73 mixed toward black.

#434e60

#363f4d

#282f39

#1b1f26

#0d1013

Tints

Color #515e73 mixed toward white.

#677792

#8492a8

#a3adbe

#c2c8d4

#e0e4e9

Tones

Color #515e73 mixed toward gray.

#545f70

#575f6d

#59606a

#5c6168

#5f6165

Accessibility

Aa White text on this color

6.57:1

Aa Black text on this color

3.2:1

White text reads better on this background (6.57:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#57576e · ΔE 6.7

Deuteranopia

#56556d · ΔE 7.5

Tritanopia

#526b6a · ΔE 14

Achromatopsia

#5d5d5d · ΔE 10.4

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

Code

CSS

background-color: #515e73;

Tailwind (arbitrary value)

bg-[#515e73]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#515e73 (#515e73) is rgb(81, 94, 115) in RGB.

No, #515e73 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 #515e73, or check how it holds up for accessibility.

Generate a palette → Check contrast