#252F8A#252F8A

#252F8A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.150 H 271.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#252F8A
RGB	rgb(37, 47, 138)
HSL	hsl(234, 58%, 34%)
HSV	hsv(234, 73%, 54%)
CMYK	cmyk(73.2%, 65.9%, 0%, 45.9%)
CIE-LAB	lab(24.52, 28.41, -51.84)
CIE-LCH	lch(24.52, 59.11, 298.73°)
OKLab	oklab(36.07% 0.0042 -0.1497)
OKLCH	oklch(36.07% 0.15 271.6)
XYZ	xyz(6.3654, 4.2607, 24.5268)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F8A #8A8025

analogous

#25628A #252F8A #4D258A

triadic

#252F8A #8A252F #2F8A25

tetradic

#252F8A #8A2562 #8A8025 #258A4D

square

#252F8A #8A2562 #8A8025 #258A4D

split-complementary

#252F8A #8A4D25 #628A25

monochromatic

#0B0E29 #181F5A #252F8A #323FBA #5764D2

Accessibility & contrast

On white

11.34

#252F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#252F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F8A

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F8A	#FFFFFF	#000000	##FFFFFF
##252F8A	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252f8a;
/* rgb */ color: rgb(37, 47, 138);
/* oklch */ color: oklch(36.1% 0.150 271.6);

Tailwind

colors: {
  custom: {
    50: '#6f67ad',
    500: '#252f8a',
    950: '#000000',
  },
}

SCSS

$custom: #252f8a;
$custom-light: #6f67ad;
$custom-dark: #000000;

JSON

{
  "hex": "#252f8a",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 138
  },
  "hsl": {
    "h": 234.059,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36067,
    "c": 0.14981,
    "h": 271.6
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#252F8A

secondary

#B7AD54

accent

#D247E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252F8A

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

Preview Lab → · Contrast checker → · Palette generator →