#251981#251981

#251981 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.162 H 276.9°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#251981
RGB	rgb(37, 25, 129)
HSL	hsl(247, 68%, 30%)
HSV	hsv(247, 81%, 51%)
CMYK	cmyk(71.3%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(18.68, 38.74, -55.78)
CIE-LCH	lch(18.68, 67.91, 304.78°)
OKLab	oklab(31.61% 0.0194 -0.1612)
OKLCH	oklch(31.61% 0.162 276.9)
XYZ	xyz(5.0717, 2.6731, 21.0133)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251981 #758119

analogous

#194181 #251981 #591981

triadic

#251981 #812519 #198125

tetradic

#251981 #811941 #758119 #198159

square

#251981 #811941 #758119 #198159

split-complementary

#251981 #815919 #418119

monochromatic

#08051A #160F4E #251981 #3423B4 #4E3BD9

Accessibility & contrast

On white

13.68

#251981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#251981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251981

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251981	#FFFFFF	#000000	##FFFFFF
##251981	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003284

Deuteranopia (green-blind)

#00297F

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #251981;
/* rgb */ color: rgb(37, 25, 129);
/* oklch */ color: oklch(31.6% 0.162 276.9);

Tailwind

colors: {
  custom: {
    50: '#6f59a7',
    500: '#251981',
    950: '#000000',
  },
}

SCSS

$custom: #251981;
$custom-light: #6f59a7;
$custom-dark: #000000;

JSON

{
  "hex": "#251981",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 246.923,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31608,
    "c": 0.16236,
    "h": 276.9
  },
  "luminance": 0.02674
}

Semantic roles & 50–950 ramp

primary

#251981

secondary

#A8B541

accent

#EA3DD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #251981

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

Preview Lab → · Contrast checker → · Palette generator →