#251688#251688

#251688 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.174 H 276.2°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#251688
RGB	rgb(37, 22, 136)
HSL	hsl(248, 72%, 31%)
HSV	hsv(248, 84%, 53%)
CMYK	cmyk(72.8%, 83.8%, 0%, 46.7%)
CIE-LAB	lab(18.99, 42.49, -59.69)
CIE-LCH	lch(18.99, 73.27, 305.45°)
OKLab	oklab(32.06% 0.0188 -0.1725)
OKLCH	oklch(32.06% 0.174 276.2)
XYZ	xyz(5.4923, 2.7442, 23.5280)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251688 #798816

analogous

#164088 #251688 #5E1688

triadic

#251688 #882516 #168825

tetradic

#251688 #881640 #798816 #16885E

square

#251688 #881640 #798816 #16885E

split-complementary

#251688 #885E16 #408816

monochromatic

#08051F #170D53 #251688 #331FBD #4F39DF

Accessibility & contrast

On white

13.56

#251688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#251688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251688

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251688	#FFFFFF	#000000	##FFFFFF
##251688	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002986

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #251688;
/* rgb */ color: rgb(37, 22, 136);
/* oklch */ color: oklch(32.1% 0.174 276.2);

Tailwind

colors: {
  custom: {
    50: '#7157ac',
    500: '#251688',
    950: '#000000',
  },
}

SCSS

$custom: #251688;
$custom-light: #7157ac;
$custom-dark: #000000;

JSON

{
  "hex": "#251688",
  "rgb": {
    "r": 37,
    "g": 22,
    "b": 136
  },
  "hsl": {
    "h": 247.895,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32061,
    "c": 0.17354,
    "h": 276.2
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#251688

secondary

#ABBC3E

accent

#EF39D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251688

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

Preview Lab → · Contrast checker → · Palette generator →