#25283F#25283F

#25283F is a dark, muted blue. Relative luminance 0.023; OKLCH L 28.5% C 0.042 H 277.6°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#25283F
RGB	rgb(37, 40, 63)
HSL	hsl(233, 26%, 20%)
HSV	hsv(233, 41%, 25%)
CMYK	cmyk(41.3%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(16.84, 5.50, -15.05)
CIE-LCH	lch(16.84, 16.03, 290.08°)
OKLab	oklab(28.52% 0.0056 -0.042)
OKLCH	oklch(28.52% 0.042 277.6)
XYZ	xyz(2.4187, 2.2697, 5.0123)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25283F #3F3C25

analogous

#25353F #25283F #2F253F

triadic

#25283F #3F2528 #283F25

tetradic

#25283F #3F2535 #3F3C25 #253F2F

square

#25283F #3F2535 #3F3C25 #253F2F

split-complementary

#25283F #3F2F25 #353F25

monochromatic

#0B0C13 #0E1018 #25283F #3C4066 #52598C

Accessibility & contrast

On white

14.44

#25283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#25283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25283F

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25283F	#FFFFFF	#000000	##FFFFFF
##25283F	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212B40

Deuteranopia (green-blind)

#1F293E

Tritanopia (blue-blind)

#1E2C30

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #25283f;
/* rgb */ color: rgb(37, 40, 63);
/* oklch */ color: oklch(28.5% 0.042 277.6);

Tailwind

colors: {
  custom: {
    50: '#606174',
    500: '#25283f',
    950: '#000000',
  },
}

SCSS

$custom: #25283f;
$custom-light: #606174;
$custom-dark: #000000;

JSON

{
  "hex": "#25283f",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 233.077,
    "s": 26,
    "l": 19.608
  },
  "oklch": {
    "l": 0.28517,
    "c": 0.04238,
    "h": 277.6
  },
  "luminance": 0.0227
}

Semantic roles & 50–950 ramp

primary

#25283F

secondary

#716D4E

accent

#B865C2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#050508

muted

#79797B

Preview Lab

Preview with #25283F

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

Preview Lab → · Contrast checker → · Palette generator →