#251979#251979

#251979 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.152 H 278.1°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#251979
RGB	rgb(37, 25, 121)
HSL	hsl(248, 66%, 29%)
HSV	hsv(248, 79%, 47%)
CMYK	cmyk(69.4%, 79.3%, 0%, 52.5%)
CIE-LAB	lab(17.78, 36.10, -52.18)
CIE-LCH	lch(17.78, 63.45, 304.68°)
OKLab	oklab(30.7% 0.0216 -0.1507)
OKLCH	oklch(30.7% 0.152 278.1)
XYZ	xyz(4.5607, 2.4687, 18.3216)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251979 #6D7919

analogous

#193D79 #251979 #551979

triadic

#251979 #792519 #197925

tetradic

#251979 #79193D #6D7919 #197955

square

#251979 #79193D #6D7919 #197955

split-complementary

#251979 #795519 #3D7919

monochromatic

#080519 #150F46 #251979 #3523AC #4B37D6

Accessibility & contrast

On white

14.06

#251979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#251979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251979

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251979	#FFFFFF	#000000	##FFFFFF
##251979	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7C

Deuteranopia (green-blind)

#002877

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #251979;
/* rgb */ color: rgb(37, 25, 121);
/* oklch */ color: oklch(30.7% 0.152 278.1);

Tailwind

colors: {
  custom: {
    50: '#6d58a1',
    500: '#251979',
    950: '#000000',
  },
}

SCSS

$custom: #251979;
$custom-light: #6d58a1;
$custom-dark: #000000;

JSON

{
  "hex": "#251979",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 121
  },
  "hsl": {
    "h": 247.5,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30703,
    "c": 0.15226,
    "h": 278.1
  },
  "luminance": 0.02469
}

Semantic roles & 50–950 ramp

primary

#251979

secondary

#A0AE40

accent

#E93FD3

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #251979

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

Preview Lab → · Contrast checker → · Palette generator →