#251790#251790

#251790 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.1% C 0.182 H 275.0°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#251790
RGB	rgb(37, 23, 144)
HSL	hsl(247, 72%, 33%)
HSV	hsv(247, 84%, 56%)
CMYK	cmyk(74.3%, 84%, 0%, 43.5%)
CIE-LAB	lab(20.12, 44.51, -62.82)
CIE-LCH	lch(20.12, 76.99, 305.32°)
OKLab	oklab(33.13% 0.016 -0.1816)
OKLCH	oklch(33.13% 0.182 275)
XYZ	xyz(6.1017, 3.0191, 26.6413)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251790 #829017

analogous

#174690 #251790 #611790

triadic

#251790 #902517 #179025

tetradic

#251790 #901746 #829017 #179061

square

#251790 #901746 #829017 #179061

split-complementary

#251790 #906117 #469017

monochromatic

#0A0626 #170F5B #251790 #331FC5 #5341E1

Accessibility & contrast

On white

13.09

#251790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#251790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251790

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251790	#FFFFFF	#000000	##FFFFFF
##251790	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002B8E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #251790;
/* rgb */ color: rgb(37, 23, 144);
/* oklch */ color: oklch(33.1% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#7359b2',
    500: '#251790',
    950: '#000000',
  },
}

SCSS

$custom: #251790;
$custom-light: #7359b2;
$custom-dark: #000000;

JSON

{
  "hex": "#251790",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 246.942,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33125,
    "c": 0.18231,
    "h": 275
  },
  "luminance": 0.0302
}

Semantic roles & 50–950 ramp

primary

#251790

secondary

#B2C142

accent

#EF39DA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #251790

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

Preview Lab → · Contrast checker → · Palette generator →