#25253b

Color #25253b

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 17.09 Nearest Tailwind class slate-900 #0f172b · ΔE 5.9

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Conversions

HEX

#25253b

RGB

rgb(37, 37, 59)

HSL

hsl(240, 22.9%, 18.8%)

HSV / HSB

hsv(240, 37.3%, 23.1%)

CMYK

cmyk(37.3%, 37.3%, 0%, 76.9%)

LAB

lab(15.66, 6.35, -14.12)

LCH

lch(15.66, 15.48, 294.21)

OKLCH

oklch(27.5%, 0.0404, 283.45)

HWB

hwb(240, 14.5%, 76.9%)

Harmony colors

Complementary

#3b3b25

Analogous

#25303b

#25253b

#30253b

Triadic

#25253b

#3b2525

#253b25

Split-complementary

#25253b

#3b3025

#303b25

Tetradic

#25253b

#3b253b

#3b3b25

#253b25

Square

#25253b

#3b2530

#3b3b25

#253b30

Shades

Color #25253b mixed toward black.

#1f1f31

#191927

#12121d

#0c0c14

#06060a

Tints

Color #25253b mixed toward white.

#404065

#5a5a90

#8080af

#aaaaca

#d5d5e4

Tones

Color #25253b mixed toward gray.

#272739

#292937

#2a2a35

#2c2c34

#2e2e32

Accessibility

Aa White text on this color

14.93:1

Aa Black text on this color

1.41:1

White text reads better on this background (14.93:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252537 · ΔE 1.8

Deuteranopia

#252535 · ΔE 2.8

Tritanopia

#253332 · ΔE 17.2

Achromatopsia

#272727 · ΔE 12.3

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

Code

CSS

background-color: #25253b;

Tailwind (arbitrary value)

bg-[#25253b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#25253b (#25253b) is rgb(37, 37, 59) in RGB.

No, #25253b is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #25253b, or check how it holds up for accessibility.

Generate a palette → Check contrast