#252F66#252F66

#252F66 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.9% C 0.097 H 272.3°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#252F66
RGB	rgb(37, 47, 102)
HSL	hsl(231, 47%, 27%)
HSV	hsv(231, 64%, 40%)
CMYK	cmyk(63.7%, 53.9%, 0%, 60%)
CIE-LAB	lab(21.53, 14.70, -33.79)
CIE-LCH	lch(21.53, 36.84, 293.51°)
OKLab	oklab(32.91% 0.0038 -0.0967)
OKLCH	oklch(32.91% 0.097 272.3)
XYZ	xyz(4.1769, 3.3853, 13.0011)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F66 #665C25

analogous

#255066 #252F66 #3B2566

triadic

#252F66 #66252F #2F6625

tetradic

#252F66 #662550 #665C25 #25663B

square

#252F66 #662550 #665C25 #25663B

split-complementary

#252F66 #663B25 #506625

monochromatic

#080A16 #151A39 #252F66 #354493 #495ABD

Accessibility & contrast

On white

12.52

#252F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#252F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F66

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F66	#FFFFFF	#000000	##FFFFFF
##252F66	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113768

Deuteranopia (green-blind)

#033165

Tritanopia (blue-blind)

#003C45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #252f66;
/* rgb */ color: rgb(37, 47, 102);
/* oklch */ color: oklch(32.9% 0.097 272.3);

Tailwind

colors: {
  custom: {
    50: '#676792',
    500: '#252f66',
    950: '#000000',
  },
}

SCSS

$custom: #252f66;
$custom-light: #676792;
$custom-dark: #000000;

JSON

{
  "hex": "#252f66",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 102
  },
  "hsl": {
    "h": 230.769,
    "s": 46.763,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32906,
    "c": 0.0968,
    "h": 272.3
  },
  "luminance": 0.03386
}

Semantic roles & 50–950 ramp

primary

#252F66

secondary

#998E4E

accent

#C251D6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #252F66

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

Preview Lab → · Contrast checker → · Palette generator →