#251EA9#251EA9

#251EA9 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.206 H 272.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#251EA9
RGB	rgb(37, 30, 169)
HSL	hsl(243, 70%, 39%)
HSV	hsv(243, 82%, 66%)
CMYK	cmyk(78.1%, 82.2%, 0%, 33.7%)
CIE-LAB	lab(24.28, 48.99, -71.24)
CIE-LCH	lch(24.28, 86.46, 304.52°)
OKLab	oklab(36.87% 0.0072 -0.2061)
OKLCH	oklch(36.87% 0.206 272)
XYZ	xyz(8.3862, 4.1855, 37.8943)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251EA9 #A2A91E

analogous

#1E5CA9 #251EA9 #6B1EA9

triadic

#251EA9 #A9251E #1EA925

tetradic

#251EA9 #A91E5C #A2A91E #1EA96B

square

#251EA9 #A91E5C #A2A91E #1EA96B

split-complementary

#251EA9 #A96B1E #5CA91E

monochromatic

#0E0C41 #1A1575 #251EA9 #342BD9 #655FE3

Accessibility & contrast

On white

11.43

#251EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#251EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251EA9

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251EA9	#FFFFFF	#000000	##FFFFFF
##251EA9	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0033A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #251ea9;
/* rgb */ color: rgb(37, 30, 169);
/* oklch */ color: oklch(36.9% 0.206 272.0);

Tailwind

colors: {
  custom: {
    50: '#785ec4',
    500: '#251ea9',
    950: '#000000',
  },
}

SCSS

$custom: #251ea9;
$custom-light: #785ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#251ea9",
  "rgb": {
    "r": 37,
    "g": 30,
    "b": 169
  },
  "hsl": {
    "h": 243.022,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36874,
    "c": 0.20628,
    "h": 272
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#251EA9

secondary

#C2C75C

accent

#ED3BE4

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #251EA9

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

Preview Lab → · Contrast checker → · Palette generator →