#231C83#231C83

#231C83 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.163 H 275.1°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#231C83
RGB	rgb(35, 28, 131)
HSL	hsl(244, 65%, 31%)
HSV	hsv(244, 79%, 51%)
CMYK	cmyk(73.3%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(19.33, 37.56, -55.98)
CIE-LCH	lch(19.33, 67.41, 303.86°)
OKLab	oklab(32.09% 0.0146 -0.1619)
OKLCH	oklch(32.09% 0.163 275.1)
XYZ	xyz(5.2038, 2.8260, 21.7396)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C83 #7C831C

analogous

#1C4883 #231C83 #561C83

triadic

#231C83 #83231C #1C8323

tetradic

#231C83 #831C48 #7C831C #1C8356

square

#231C83 #831C48 #7C831C #1C8356

split-complementary

#231C83 #83561C #48831C

monochromatic

#08061E #161151 #231C83 #3027B5 #4D43D7

Accessibility & contrast

On white

13.42

#231C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C83

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C83	#FFFFFF	#000000	##FFFFFF
##231C83	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002A81

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231c83;
/* rgb */ color: rgb(35, 28, 131);
/* oklch */ color: oklch(32.1% 0.163 275.1);

Tailwind

colors: {
  custom: {
    50: '#6e5aa8',
    500: '#231c83',
    950: '#000000',
  },
}

SCSS

$custom: #231c83;
$custom-light: #6e5aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#231c83",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 244.078,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32091,
    "c": 0.16251,
    "h": 275.1
  },
  "luminance": 0.02827
}

Semantic roles & 50–950 ramp

primary

#231C83

secondary

#AFB645

accent

#E840DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231C83

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

Preview Lab → · Contrast checker → · Palette generator →