#252B84#252B84

#252B84 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.146 H 273.0°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#252B84
RGB	rgb(37, 43, 132)
HSL	hsl(236, 56%, 33%)
HSV	hsv(236, 72%, 52%)
CMYK	cmyk(72%, 67.4%, 0%, 48.2%)
CIE-LAB	lab(22.95, 28.84, -50.64)
CIE-LCH	lch(22.95, 58.28, 299.66°)
OKLab	oklab(34.75% 0.0076 -0.1463)
OKLCH	oklch(34.75% 0.146 273)
XYZ	xyz(5.7903, 3.7865, 22.2510)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B84 #847E25

analogous

#255A84 #252B84 #4F2584

triadic

#252B84 #84252B #2B8425

tetradic

#252B84 #84255A #847E25 #25844F

square

#252B84 #84255A #847E25 #25844F

split-complementary

#252B84 #844F25 #5A8425

monochromatic

#0A0C24 #181B54 #252B84 #323BB4 #545CCF

Accessibility & contrast

On white

11.95

#252B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#252B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B84

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B84	#FFFFFF	#000000	##FFFFFF
##252B84	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#003282

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252b84;
/* rgb */ color: rgb(37, 43, 132);
/* oklch */ color: oklch(34.8% 0.146 273.0);

Tailwind

colors: {
  custom: {
    50: '#6e64a9',
    500: '#252b84',
    950: '#000000',
  },
}

SCSS

$custom: #252b84;
$custom-light: #6e64a9;
$custom-dark: #000000;

JSON

{
  "hex": "#252b84",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 132
  },
  "hsl": {
    "h": 236.211,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34753,
    "c": 0.14649,
    "h": 273
  },
  "luminance": 0.03787
}

Semantic roles & 50–950 ramp

primary

#252B84

secondary

#B3AD51

accent

#D648E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252B84

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

Preview Lab → · Contrast checker → · Palette generator →