#252B8D#252B8D

#252B8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.159 H 272.4°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#252B8D
RGB	rgb(37, 43, 141)
HSL	hsl(237, 58%, 35%)
HSV	hsv(237, 74%, 55%)
CMYK	cmyk(73.8%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(23.81, 32.15, -54.85)
CIE-LCH	lch(23.81, 63.58, 300.37°)
OKLab	oklab(35.64% 0.0067 -0.1586)
OKLCH	oklch(35.64% 0.159 272.4)
XYZ	xyz(6.4329, 4.0435, 25.6356)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B8D #8D8725

analogous

#255F8D #252B8D #53258D

triadic

#252B8D #8D252B #2B8D25

tetradic

#252B8D #8D255F #8D8725 #258D53

square

#252B8D #8D255F #8D8725 #258D53

split-complementary

#252B8D #8D5325 #5F8D25

monochromatic

#0C0D2C #181C5D #252B8D #323ABD #5960D3

Accessibility & contrast

On white

11.61

#252B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#252B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B8D

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B8D	#FFFFFF	#000000	##FFFFFF
##252B8D	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252b8d;
/* rgb */ color: rgb(37, 43, 141);
/* oklch */ color: oklch(35.6% 0.159 272.4);

Tailwind

colors: {
  custom: {
    50: '#7065af',
    500: '#252b8d',
    950: '#000000',
  },
}

SCSS

$custom: #252b8d;
$custom-light: #7065af;
$custom-dark: #000000;

JSON

{
  "hex": "#252b8d",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 236.538,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35644,
    "c": 0.15873,
    "h": 272.4
  },
  "luminance": 0.04044
}

Semantic roles & 50–950 ramp

primary

#252B8D

secondary

#B8B256

accent

#D946E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #252B8D

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

Preview Lab → · Contrast checker → · Palette generator →