#25303f

Color #25303f

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 9.88 Nearest Tailwind class gray-800 #1e2939 · ΔE 2.3

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Conversions

HEX

#25303f

RGB

rgb(37, 48, 63)

HSL

hsl(214.6, 26%, 19.6%)

HSV / HSB

hsv(214.6, 41.3%, 24.7%)

CMYK

cmyk(41.3%, 23.8%, 0%, 75.3%)

LAB

lab(19.5, -0.13, -10.94)

LCH

lch(19.5, 10.94, 269.32)

OKLCH

oklch(30.6%, 0.0312, 256.28)

HWB

hwb(214.6, 14.5%, 75.3%)

Harmony colors

Complementary

#3f3425

Analogous

#253d3f

#25303f

#27253f

Triadic

#25303f

#3f2530

#303f25

Split-complementary

#25303f

#3f2725

#3d3f25

Tetradic

#25303f

#34253f

#3f3425

#303f25

Square

#25303f

#3f253d

#3f3425

#253f27

Shades

Color #25303f mixed toward black.

#1f2834

#19202a

#12181f

#0c1015

#06080a

Tints

Color #25303f mixed toward white.

#3e516a

#587295

#7e94b3

#a9b8cc

#d4dbe6

Tones

Color #25303f mixed toward gray.

#27303d

#29313b

#2b3138

#2e3136

#303234

Accessibility

Aa White text on this color

13.35:1

Aa Black text on this color

1.57:1

White text reads better on this background (13.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a3c · ΔE 6.7

Deuteranopia

#29293b · ΔE 6.8

Tritanopia

#263938 · ΔE 11.8

Achromatopsia

#2f2f2f · ΔE 8.8

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

Code

CSS

background-color: #25303f;

Tailwind (arbitrary value)

bg-[#25303f]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#25303f (#25303f) is rgb(37, 48, 63) in RGB.

No, #25303f 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 #25303f, or check how it holds up for accessibility.

Generate a palette → Check contrast