#251C8D#251C8D

#251C8D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.174 H 274.9°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#251C8D
RGB	rgb(37, 28, 141)
HSL	hsl(245, 67%, 33%)
HSV	hsv(245, 80%, 55%)
CMYK	cmyk(73.8%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(20.62, 41.07, -60.12)
CIE-LCH	lch(20.62, 72.80, 304.34°)
OKLab	oklab(33.37% 0.0149 -0.1739)
OKLCH	oklch(33.37% 0.174 274.9)
XYZ	xyz(5.9843, 3.1463, 25.4861)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251C8D #848D1C

analogous

#1C4B8D #251C8D #5D1C8D

triadic

#251C8D #8D251C #1C8D25

tetradic

#251C8D #8D1C4B #848D1C #1C8D5D

square

#251C8D #8D1C4B #848D1C #1C8D5D

split-complementary

#251C8D #8D5D1C #4B8D1C

monochromatic

#0A0827 #18125A #251C8D #3226C0 #5449DB

Accessibility & contrast

On white

12.89

#251C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#251C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251C8D

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251C8D	#FFFFFF	#000000	##FFFFFF
##251C8D	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #251c8d;
/* rgb */ color: rgb(37, 28, 141);
/* oklch */ color: oklch(33.4% 0.174 274.9);

Tailwind

colors: {
  custom: {
    50: '#715bb0',
    500: '#251c8d',
    950: '#000000',
  },
}

SCSS

$custom: #251c8d;
$custom-light: #715bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#251c8d",
  "rgb": {
    "r": 37,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 244.779,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.17449,
    "h": 274.9
  },
  "luminance": 0.03147
}

Semantic roles & 50–950 ramp

primary

#251C8D

secondary

#B3BD48

accent

#EA3EDC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #251C8D

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

Preview Lab → · Contrast checker → · Palette generator →