#515a69

Color #515a69

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 10.33 Nearest Tailwind class gray-600 #4a5565 · ΔE 2

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Conversions

HEX

#515a69

RGB

rgb(81, 90, 105)

HSL

hsl(217.5, 12.9%, 36.5%)

HSV / HSB

hsv(217.5, 22.9%, 41.2%)

CMYK

cmyk(22.9%, 14.3%, 0%, 58.8%)

LAB

lab(37.99, 0.13, -9.75)

LCH

lch(37.99, 9.75, 270.76)

OKLCH

oklch(46.5%, 0.027, 260.61)

HWB

hwb(217.5, 31.8%, 58.8%)

Harmony colors

Complementary

#696051

Analogous

#516669

#515a69

#545169

Triadic

#515a69

#69515a

#5a6951

Split-complementary

#515a69

#695451

#666951

Tetradic

#515a69

#605169

#696051

#5a6951

Square

#515a69

#695166

#696051

#516954

Shades

Color #515a69 mixed toward black.

#444b58

#363c46

#292d35

#1b1e23

#0e0f12

Tints

Color #515a69 mixed toward white.

#697488

#8590a1

#a4abb8

#c2c7d0

#e1e3e7

Tones

Color #515a69 mixed toward gray.

#535b67

#555b65

#575c63

#595c61

#5b5d5f

Accessibility

Aa White text on this color

6.96:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#555566 · ΔE 5.3

Deuteranopia

#555465 · ΔE 5.8

Tritanopia

#516362 · ΔE 11

Achromatopsia

#595959 · ΔE 8

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

Code

CSS

background-color: #515a69;

Tailwind (arbitrary value)

bg-[#515a69]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#515a69 (#515a69) is rgb(81, 90, 105) in RGB.

No, #515a69 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 #515a69, or check how it holds up for accessibility.

Generate a palette → Check contrast