#252D4E#252D4E

#252D4E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.061 H 272.1°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#252D4E
RGB	rgb(37, 45, 78)
HSL	hsl(228, 36%, 23%)
HSV	hsv(228, 53%, 31%)
CMYK	cmyk(52.6%, 42.3%, 0%, 69.4%)
CIE-LAB	lab(19.31, 7.15, -21.43)
CIE-LCH	lch(19.31, 22.59, 288.45°)
OKLab	oklab(30.7% 0.0022 -0.0605)
OKLCH	oklch(30.7% 0.061 272.1)
XYZ	xyz(3.0760, 2.8200, 7.5885)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D4E #4E4625

analogous

#25414E #252D4E #32254E

triadic

#252D4E #4E252D #2D4E25

tetradic

#252D4E #4E2541 #4E4625 #254E32

square

#252D4E #4E2541 #4E4625 #254E32

split-complementary

#252D4E #4E3225 #414E25

monochromatic

#0A0C15 #111524 #252D4E #394578 #4C5DA1

Accessibility & contrast

On white

13.43

#252D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#252D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D4E

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D4E	#FFFFFF	#000000	##FFFFFF
##252D4E	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21314F

Deuteranopia (green-blind)

#1D2D4D

Tritanopia (blue-blind)

#153439

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #252d4e;
/* rgb */ color: rgb(37, 45, 78);
/* oklch */ color: oklch(30.7% 0.061 272.1);

Tailwind

colors: {
  custom: {
    50: '#626580',
    500: '#252d4e',
    950: '#000000',
  },
}

SCSS

$custom: #252d4e;
$custom-light: #626580;
$custom-dark: #000000;

JSON

{
  "hex": "#252d4e",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 78
  },
  "hsl": {
    "h": 228.293,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30697,
    "c": 0.06053,
    "h": 272.1
  },
  "luminance": 0.0282
}

Semantic roles & 50–950 ramp

primary

#252D4E

secondary

#81774E

accent

#B65CCC

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05050A

muted

#797A7C

Preview Lab

Preview with #252D4E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →