#252d3a

Color #252d3a

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 10.84 Nearest Tailwind class gray-800 #1e2939 · ΔE 2.1

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Conversions

HEX

#252d3a

RGB

rgb(37, 45, 58)

HSL

hsl(217.1, 22.1%, 18.6%)

HSV / HSB

hsv(217.1, 36.2%, 22.7%)

CMYK

cmyk(36.2%, 22.4%, 0%, 77.3%)

LAB

lab(18.26, 0.34, -9.41)

LCH

lch(18.26, 9.42, 272.07)

OKLCH

oklch(29.5%, 0.0263, 259.93)

HWB

hwb(217.1, 14.5%, 77.3%)

Harmony colors

Complementary

#3a3225

Analogous

#25373a

#252d3a

#27253a

Triadic

#252d3a

#3a252d

#2d3a25

Split-complementary

#252d3a

#3a2725

#373a25

Tetradic

#252d3a

#32253a

#3a3225

#2d3a25

Square

#252d3a

#3a2537

#3a3225

#253a27

Shades

Color #252d3a mixed toward black.

#1f2530

#191e27

#12161d

#0c0f13

#06070a

Tints

Color #252d3a mixed toward white.

#404e64

#5b6f8e

#8092ae

#abb6c9

#d5dbe4

Tones

Color #252d3a mixed toward gray.

#272d38

#282e36

#2a2e35

#2c2f33

#2e2f31

Accessibility

Aa White text on this color

13.86:1

Aa Black text on this color

1.52:1

White text reads better on this background (13.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292937 · ΔE 4.8

Deuteranopia

#282836 · ΔE 4.9

Tritanopia

#253534 · ΔE 10.9

Achromatopsia

#2d2d2d · ΔE 7.8

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

Code

CSS

background-color: #252d3a;

Tailwind (arbitrary value)

bg-[#252d3a]

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

#252d3a (#252d3a) is rgb(37, 45, 58) in RGB.

No, #252d3a 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 #252d3a, or check how it holds up for accessibility.

Generate a palette → Check contrast