#251877#251877

#251877 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.151 H 278.7°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#251877
RGB	rgb(37, 24, 119)
HSL	hsl(248, 66%, 28%)
HSV	hsv(248, 80%, 47%)
CMYK	cmyk(68.9%, 79.8%, 0%, 53.3%)
CIE-LAB	lab(17.36, 36.00, -51.59)
CIE-LCH	lch(17.36, 62.90, 304.91°)
OKLab	oklab(30.34% 0.0227 -0.149)
OKLCH	oklch(30.34% 0.151 278.7)
XYZ	xyz(4.4183, 2.3781, 17.6754)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251877 #6A7718

analogous

#183A77 #251877 #551877

triadic

#251877 #772518 #187725

tetradic

#251877 #77183A #6A7718 #187755

square

#251877 #77183A #6A7718 #187755

split-complementary

#251877 #775518 #3A7718

monochromatic

#080519 #150E44 #251877 #3522AA #4A33D6

Accessibility & contrast

On white

14.23

#251877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#251877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251877

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251877	#FFFFFF	#000000	##FFFFFF
##251877	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002775

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #251877;
/* rgb */ color: rgb(37, 24, 119);
/* oklch */ color: oklch(30.3% 0.151 278.7);

Tailwind

colors: {
  custom: {
    50: '#6d579f',
    500: '#251877',
    950: '#000000',
  },
}

SCSS

$custom: #251877;
$custom-light: #6d579f;
$custom-dark: #000000;

JSON

{
  "hex": "#251877",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 119
  },
  "hsl": {
    "h": 248.211,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30343,
    "c": 0.15071,
    "h": 278.7
  },
  "luminance": 0.02378
}

Semantic roles & 50–950 ramp

primary

#251877

secondary

#9DAC3F

accent

#E93ED2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030F

muted

#7B787E

Preview Lab

Preview with #251877

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

Preview Lab → · Contrast checker → · Palette generator →