#231C82#231C82

#231C82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.0% C 0.161 H 275.3°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#231C82
RGB	rgb(35, 28, 130)
HSL	hsl(244, 65%, 31%)
HSV	hsv(244, 78%, 51%)
CMYK	cmyk(73.1%, 78.5%, 0%, 49%)
CIE-LAB	lab(19.22, 37.22, -55.53)
CIE-LCH	lch(19.22, 66.85, 303.83°)
OKLab	oklab(31.98% 0.0148 -0.1606)
OKLCH	oklch(31.98% 0.161 275.3)
XYZ	xyz(5.1363, 2.7990, 21.3843)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C82 #7B821C

analogous

#1C4882 #231C82 #561C82

triadic

#231C82 #82231C #1C8223

tetradic

#231C82 #821C48 #7B821C #1C8256

square

#231C82 #821C48 #7B821C #1C8256

split-complementary

#231C82 #82561C #48821C

monochromatic

#08061D #151150 #231C82 #3127B4 #4C42D6

Accessibility & contrast

On white

13.46

#231C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#231C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C82

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C82	#FFFFFF	#000000	##FFFFFF
##231C82	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002A80

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231c82;
/* rgb */ color: rgb(35, 28, 130);
/* oklch */ color: oklch(32.0% 0.161 275.3);

Tailwind

colors: {
  custom: {
    50: '#6e5aa7',
    500: '#231c82',
    950: '#000000',
  },
}

SCSS

$custom: #231c82;
$custom-light: #6e5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#231c82",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 244.118,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31978,
    "c": 0.16124,
    "h": 275.3
  },
  "luminance": 0.028
}

Semantic roles & 50–950 ramp

primary

#231C82

secondary

#AEB544

accent

#E840DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231C82

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

Preview Lab → · Contrast checker → · Palette generator →