#251582#251582

#251582 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.2% C 0.167 H 277.2°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#251582
RGB	rgb(37, 21, 130)
HSL	hsl(249, 72%, 30%)
HSV	hsv(249, 84%, 51%)
CMYK	cmyk(71.5%, 83.8%, 0%, 49%)
CIE-LAB	lab(18.10, 41.09, -57.37)
CIE-LCH	lch(18.10, 70.57, 305.61°)
OKLab	oklab(31.24% 0.021 -0.1658)
OKLCH	oklch(31.24% 0.167 277.2)
XYZ	xyz(5.0591, 2.5409, 21.3386)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251582 #728215

analogous

#153C82 #251582 #5B1582

triadic

#251582 #822515 #158225

tetradic

#251582 #82153C #728215 #15825B

square

#251582 #82153C #728215 #15825B

split-complementary

#251582 #825B15 #3C8215

monochromatic

#07041A #160C4D #251582 #341EB7 #4C33DE

Accessibility & contrast

On white

13.92

#251582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#251582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251582

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251582	#FFFFFF	#000000	##FFFFFF
##251582	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003185

Deuteranopia (green-blind)

#002880

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #251582;
/* rgb */ color: rgb(37, 21, 130);
/* oklch */ color: oklch(31.2% 0.167 277.2);

Tailwind

colors: {
  custom: {
    50: '#6f56a8',
    500: '#251582',
    950: '#000000',
  },
}

SCSS

$custom: #251582;
$custom-light: #6f56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#251582",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 130
  },
  "hsl": {
    "h": 248.807,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31238,
    "c": 0.16711,
    "h": 277.2
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#251582

secondary

#A5B73C

accent

#EF39D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251582

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

Preview Lab → · Contrast checker → · Palette generator →