#231D96#231D96

#231D96 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.185 H 273.0°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#231D96
RGB	rgb(35, 29, 150)
HSL	hsl(243, 68%, 35%)
HSV	hsv(243, 81%, 59%)
CMYK	cmyk(76.7%, 80.7%, 0%, 41.2%)
CIE-LAB	lab(21.72, 43.31, -63.89)
CIE-LCH	lch(21.72, 77.19, 304.13°)
OKLab	oklab(34.41% 0.0096 -0.1849)
OKLCH	oklch(34.41% 0.185 273)
XYZ	xyz(6.6357, 3.4374, 29.1620)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D96 #90961D

analogous

#1D5496 #231D96 #5F1D96

triadic

#231D96 #96231D #1D9623

tetradic

#231D96 #961D54 #90961D #1D965F

square

#231D96 #961D54 #90961D #1D965F

split-complementary

#231D96 #965F1D #54961D

monochromatic

#0B092F #171363 #231D96 #2F27C9 #5750DD

Accessibility & contrast

On white

12.44

#231D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#231D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D96

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D96	#FFFFFF	#000000	##FFFFFF
##231D96	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A99

Deuteranopia (green-blind)

#002E94

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231d96;
/* rgb */ color: rgb(35, 29, 150);
/* oklch */ color: oklch(34.4% 0.185 273.0);

Tailwind

colors: {
  custom: {
    50: '#735cb6',
    500: '#231d96',
    950: '#000000',
  },
}

SCSS

$custom: #231d96;
$custom-light: #735cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#231d96",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 150
  },
  "hsl": {
    "h": 242.975,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34405,
    "c": 0.18512,
    "h": 273
  },
  "luminance": 0.03438
}

Semantic roles & 50–950 ramp

primary

#231D96

secondary

#BAC04F

accent

#EA3DE2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231D96

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

Preview Lab → · Contrast checker → · Palette generator →