#251989#251989

#251989 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.172 H 275.7°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#251989
RGB	rgb(37, 25, 137)
HSL	hsl(246, 69%, 32%)
HSV	hsv(246, 82%, 54%)
CMYK	cmyk(73%, 81.8%, 0%, 46.3%)
CIE-LAB	lab(19.62, 41.33, -59.28)
CIE-LCH	lch(19.62, 72.27, 304.88°)
OKLab	oklab(32.53% 0.0172 -0.1714)
OKLCH	oklch(32.53% 0.172 275.7)
XYZ	xyz(5.6245, 2.8942, 23.9243)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251989 #7D8919

analogous

#194589 #251989 #5D1989

triadic

#251989 #892519 #198925

tetradic

#251989 #891945 #7D8919 #19895D

square

#251989 #891945 #7D8919 #19895D

split-complementary

#251989 #895D19 #458919

monochromatic

#090621 #171055 #251989 #3322BD #5140DC

Accessibility & contrast

On white

13.30

#251989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#251989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251989

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251989	#FFFFFF	#000000	##FFFFFF
##251989	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002A87

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #251989;
/* rgb */ color: rgb(37, 25, 137);
/* oklch */ color: oklch(32.5% 0.172 275.7);

Tailwind

colors: {
  custom: {
    50: '#7159ad',
    500: '#251989',
    950: '#000000',
  },
}

SCSS

$custom: #251989;
$custom-light: #7159ad;
$custom-dark: #000000;

JSON

{
  "hex": "#251989",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 137
  },
  "hsl": {
    "h": 246.429,
    "s": 69.136,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3253,
    "c": 0.17224,
    "h": 275.7
  },
  "luminance": 0.02895
}

Semantic roles & 50–950 ramp

primary

#251989

secondary

#AFBC41

accent

#EC3CD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #251989

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

Preview Lab → · Contrast checker → · Palette generator →