#231D52#231D52

#231D52 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.093 H 283.5°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#231D52
RGB	rgb(35, 29, 82)
HSL	hsl(247, 48%, 22%)
HSV	hsv(247, 65%, 32%)
CMYK	cmyk(57.3%, 64.6%, 0%, 67.8%)
CIE-LAB	lab(14.65, 19.59, -31.60)
CIE-LCH	lch(14.65, 37.18, 301.79°)
OKLab	oklab(27.23% 0.0217 -0.0905)
OKLCH	oklch(27.23% 0.093 283.5)
XYZ	xyz(2.6550, 1.8451, 8.1972)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D52 #4C521D

analogous

#1D3252 #231D52 #3E1D52

triadic

#231D52 #52231D #1D5223

tetradic

#231D52 #521D32 #4C521D #1D523E

square

#231D52 #521D32 #4C521D #1D523E

split-complementary

#231D52 #523E1D #32521D

monochromatic

#0A0817 #100D25 #231D52 #362D7F #4A3DAC

Accessibility & contrast

On white

15.34

#231D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#231D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D52

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D52	#FFFFFF	#000000	##FFFFFF
##231D52	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002754

Deuteranopia (green-blind)

#002351

Tritanopia (blue-blind)

#102934

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #231d52;
/* rgb */ color: rgb(35, 29, 82);
/* oklch */ color: oklch(27.2% 0.093 283.5);

Tailwind

colors: {
  custom: {
    50: '#635983',
    500: '#231d52',
    950: '#000000',
  },
}

SCSS

$custom: #231d52;
$custom-light: #635983;
$custom-dark: #000000;

JSON

{
  "hex": "#231d52",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 82
  },
  "hsl": {
    "h": 246.792,
    "s": 47.748,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27234,
    "c": 0.09307,
    "h": 283.5
  },
  "luminance": 0.01845
}

Semantic roles & 50–950 ramp

primary

#231D52

secondary

#808744

accent

#D750C8

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#05030A

muted

#7A787C

Preview Lab

Preview with #231D52

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

Preview Lab → · Contrast checker → · Palette generator →