#251C8E#251C8E

#251C8E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.176 H 274.8°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#251C8E
RGB	rgb(37, 28, 142)
HSL	hsl(245, 67%, 33%)
HSV	hsv(245, 80%, 56%)
CMYK	cmyk(73.9%, 80.3%, 0%, 44.3%)
CIE-LAB	lab(20.74, 41.39, -60.55)
CIE-LCH	lch(20.74, 73.35, 304.36°)
OKLab	oklab(33.48% 0.0146 -0.1751)
OKLCH	oklch(33.48% 0.176 274.8)
XYZ	xyz(6.0591, 3.1762, 25.8797)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251C8E #858E1C

analogous

#1C4C8E #251C8E #5E1C8E

triadic

#251C8E #8E251C #1C8E25

tetradic

#251C8E #8E1C4C #858E1C #1C8E5E

square

#251C8E #8E1C4C #858E1C #1C8E5E

split-complementary

#251C8E #8E5E1C #4C8E1C

monochromatic

#0A0828 #18125B #251C8E #3226C1 #5549DB

Accessibility & contrast

On white

12.84

#251C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#251C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251C8E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251C8E	#FFFFFF	#000000	##FFFFFF
##251C8E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #251c8e;
/* rgb */ color: rgb(37, 28, 142);
/* oklch */ color: oklch(33.5% 0.176 274.8);

Tailwind

colors: {
  custom: {
    50: '#725bb0',
    500: '#251c8e',
    950: '#000000',
  },
}

SCSS

$custom: #251c8e;
$custom-light: #725bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#251c8e",
  "rgb": {
    "r": 37,
    "g": 28,
    "b": 142
  },
  "hsl": {
    "h": 244.737,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33483,
    "c": 0.17572,
    "h": 274.8
  },
  "luminance": 0.03177
}

Semantic roles & 50–950 ramp

primary

#251C8E

secondary

#B4BD49

accent

#EA3EDC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #251C8E

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

Preview Lab → · Contrast checker → · Palette generator →