#231981#231981

#231981 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.163 H 275.8°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#231981
RGB	rgb(35, 25, 129)
HSL	hsl(246, 68%, 30%)
HSV	hsv(246, 81%, 51%)
CMYK	cmyk(72.9%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(18.53, 38.54, -56.04)
CIE-LCH	lch(18.53, 68.02, 304.52°)
OKLab	oklab(31.46% 0.0165 -0.162)
OKLCH	oklch(31.46% 0.163 275.8)
XYZ	xyz(5.0019, 2.6371, 21.0100)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231981 #778119

analogous

#194381 #231981 #571981

triadic

#231981 #812319 #198123

tetradic

#231981 #811943 #778119 #198157

square

#231981 #811943 #778119 #198157

split-complementary

#231981 #815719 #438119

monochromatic

#07051A #150F4E #231981 #3123B4 #4A3BD9

Accessibility & contrast

On white

13.75

#231981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231981

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231981	#FFFFFF	#000000	##FFFFFF
##231981	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003284

Deuteranopia (green-blind)

#00287F

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231981;
/* rgb */ color: rgb(35, 25, 129);
/* oklch */ color: oklch(31.5% 0.163 275.8);

Tailwind

colors: {
  custom: {
    50: '#6e58a7',
    500: '#231981',
    950: '#000000',
  },
}

SCSS

$custom: #231981;
$custom-light: #6e58a7;
$custom-dark: #000000;

JSON

{
  "hex": "#231981",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 245.769,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31458,
    "c": 0.16286,
    "h": 275.8
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#231981

secondary

#AAB541

accent

#EA3DDA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #231981

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

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