#251585#251585

#251585 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.171 H 276.8°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#251585
RGB	rgb(37, 21, 133)
HSL	hsl(249, 73%, 30%)
HSV	hsv(249, 84%, 52%)
CMYK	cmyk(72.2%, 84.2%, 0%, 47.8%)
CIE-LAB	lab(18.46, 42.03, -58.67)
CIE-LCH	lch(18.46, 72.17, 305.62°)
OKLab	oklab(31.59% 0.0201 -0.1695)
OKLCH	oklch(31.59% 0.171 276.8)
XYZ	xyz(5.2634, 2.6226, 22.4146)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251585 #758515

analogous

#153D85 #251585 #5D1585

triadic

#251585 #852515 #158525

tetradic

#251585 #85153D #758515 #15855D

square

#251585 #85153D #758515 #15855D

split-complementary

#251585 #855D15 #3D8515

monochromatic

#08041B #160D50 #251585 #341DBA #4E35DF

Accessibility & contrast

On white

13.77

#251585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#251585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251585

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251585	#FFFFFF	#000000	##FFFFFF
##251585	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003188

Deuteranopia (green-blind)

#002883

Tritanopia (blue-blind)

#00384E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #251585;
/* rgb */ color: rgb(37, 21, 133);
/* oklch */ color: oklch(31.6% 0.171 276.8);

Tailwind

colors: {
  custom: {
    50: '#7057aa',
    500: '#251585',
    950: '#000000',
  },
}

SCSS

$custom: #251585;
$custom-light: #7057aa;
$custom-dark: #000000;

JSON

{
  "hex": "#251585",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 133
  },
  "hsl": {
    "h": 248.571,
    "s": 72.727,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31594,
    "c": 0.17073,
    "h": 276.8
  },
  "luminance": 0.02623
}

Semantic roles & 50–950 ramp

primary

#251585

secondary

#A8B93C

accent

#EF38D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251585

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

Preview Lab → · Contrast checker → · Palette generator →