#231C86#231C86

#231C86 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.166 H 274.8°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#231C86
RGB	rgb(35, 28, 134)
HSL	hsl(244, 65%, 32%)
HSV	hsv(244, 79%, 53%)
CMYK	cmyk(73.9%, 79.1%, 0%, 47.5%)
CIE-LAB	lab(19.67, 38.57, -57.30)
CIE-LCH	lch(19.67, 69.07, 303.94°)
OKLab	oklab(32.43% 0.0139 -0.1657)
OKLCH	oklch(32.43% 0.166 274.8)
XYZ	xyz(5.4100, 2.9085, 22.8259)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C86 #7F861C

analogous

#1C4A86 #231C86 #581C86

triadic

#231C86 #86231C #1C8623

tetradic

#231C86 #861C4A #7F861C #1C8658

square

#231C86 #861C4A #7F861C #1C8658

split-complementary

#231C86 #86581C #4A861C

monochromatic

#090721 #161153 #231C86 #3027B9 #4E44D8

Accessibility & contrast

On white

13.28

#231C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#231C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C86

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C86	#FFFFFF	#000000	##FFFFFF
##231C86	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003489

Deuteranopia (green-blind)

#002B84

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231c86;
/* rgb */ color: rgb(35, 28, 134);
/* oklch */ color: oklch(32.4% 0.166 274.8);

Tailwind

colors: {
  custom: {
    50: '#6f5aaa',
    500: '#231c86',
    950: '#000000',
  },
}

SCSS

$custom: #231c86;
$custom-light: #6f5aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#231c86",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 134
  },
  "hsl": {
    "h": 243.962,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32431,
    "c": 0.1663,
    "h": 274.8
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#231C86

secondary

#B1B945

accent

#E83FDD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231C86

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

Preview Lab → · Contrast checker → · Palette generator →