#25243e

Color #25243e

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 19.14 Nearest Tailwind class slate-900 #0f172b · ΔE 6.5

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Conversions

HEX

#25243e

RGB

rgb(37, 36, 62)

HSL

hsl(242.3, 26.5%, 19.2%)

HSV / HSB

hsv(242.3, 41.9%, 24.3%)

CMYK

cmyk(40.3%, 41.9%, 0%, 75.7%)

LAB

lab(15.5, 8.06, -16.45)

LCH

lch(15.5, 18.32, 296.1)

OKLCH

oklch(27.5%, 0.0476, 284.59)

HWB

hwb(242.3, 14.1%, 75.7%)

Harmony colors

Complementary

#3d3e24

Analogous

#24303e

#25243e

#32243e

Triadic

#25243e

#3e2524

#243e25

Split-complementary

#25243e

#3e3224

#303e24

Tetradic

#25243e

#3e243d

#3d3e24

#243e25

Square

#25243e

#3e2430

#3d3e24

#243e32

Shades

Color #25243e mixed toward black.

#1f1e34

#191829

#12121f

#0c0c15

#06060a

Tints

Color #25243e mixed toward white.

#3f3d69

#595695

#7f7db3

#aaa8cd

#d4d4e6

Tones

Color #25243e mixed toward gray.

#27263c

#29283a

#2b2a37

#2d2d35

#2f2f33

Accessibility

Aa White text on this color

14.99:1

Aa Black text on this color

1.4:1

White text reads better on this background (14.99:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252539 · ΔE 2.7

Deuteranopia

#252538 · ΔE 3.2

Tritanopia

#253433 · ΔE 19

Achromatopsia

#272727 · ΔE 14

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

Code

CSS

background-color: #25243e;

Tailwind (arbitrary value)

bg-[#25243e]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#25243e (#25243e) is rgb(37, 36, 62) in RGB.

No, #25243e 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 #25243e, or check how it holds up for accessibility.

Generate a palette → Check contrast