#251983#251983

#251983 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.165 H 276.6°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#251983
RGB	rgb(37, 25, 131)
HSL	hsl(247, 68%, 31%)
HSV	hsv(247, 81%, 51%)
CMYK	cmyk(71.8%, 80.9%, 0%, 48.6%)
CIE-LAB	lab(18.91, 39.39, -56.66)
CIE-LCH	lch(18.91, 69.01, 304.81°)
OKLab	oklab(31.84% 0.0189 -0.1638)
OKLCH	oklch(31.84% 0.165 276.6)
XYZ	xyz(5.2060, 2.7268, 21.7203)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251983 #778319

analogous

#194283 #251983 #5A1983

triadic

#251983 #832519 #198325

tetradic

#251983 #831942 #778319 #19835A

square

#251983 #831942 #778319 #19835A

split-complementary

#251983 #835A19 #428319

monochromatic

#08051C #160F50 #251983 #3423B6 #4E3DDA

Accessibility & contrast

On white

13.59

#251983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#251983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251983

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251983	#FFFFFF	#000000	##FFFFFF
##251983	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002981

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #251983;
/* rgb */ color: rgb(37, 25, 131);
/* oklch */ color: oklch(31.8% 0.165 276.6);

Tailwind

colors: {
  custom: {
    50: '#6f59a8',
    500: '#251983',
    950: '#000000',
  },
}

SCSS

$custom: #251983;
$custom-light: #6f59a8;
$custom-dark: #000000;

JSON

{
  "hex": "#251983",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 131
  },
  "hsl": {
    "h": 246.792,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31837,
    "c": 0.16485,
    "h": 276.6
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#251983

secondary

#A9B741

accent

#EB3DD7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251983

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

Preview Lab → · Contrast checker → · Palette generator →