#231D56#231D56

#231D56 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.099 H 282.5°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#231D56
RGB	rgb(35, 29, 86)
HSL	hsl(246, 50%, 23%)
HSV	hsv(246, 66%, 34%)
CMYK	cmyk(59.3%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(15.00, 21.03, -33.75)
CIE-LCH	lch(15.00, 39.77, 301.93°)
OKLab	oklab(27.59% 0.0215 -0.0968)
OKLCH	oklch(27.59% 0.099 282.5)
XYZ	xyz(2.8117, 1.9078, 9.0224)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D56 #50561D

analogous

#1D3356 #231D56 #401D56

triadic

#231D56 #56231D #1D5623

tetradic

#231D56 #561D33 #50561D #1D5640

square

#231D56 #561D33 #50561D #1D5640

split-complementary

#231D56 #56401D #33561D

monochromatic

#090817 #100E28 #231D56 #362C84 #483CB2

Accessibility & contrast

On white

15.20

#231D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#231D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D56

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D56	#FFFFFF	#000000	##FFFFFF
##231D56	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002858

Deuteranopia (green-blind)

#002455

Tritanopia (blue-blind)

#0C2B36

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #231d56;
/* rgb */ color: rgb(35, 29, 86);
/* oklch */ color: oklch(27.6% 0.099 282.5);

Tailwind

colors: {
  custom: {
    50: '#645986',
    500: '#231d56',
    950: '#000000',
  },
}

SCSS

$custom: #231d56;
$custom-light: #645986;
$custom-dark: #000000;

JSON

{
  "hex": "#231d56",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 246.316,
    "s": 49.565,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27594,
    "c": 0.0992,
    "h": 282.5
  },
  "luminance": 0.01908
}

Semantic roles & 50–950 ramp

primary

#231D56

secondary

#848B44

accent

#D94FCB

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06030B

muted

#7A787C

Preview Lab

Preview with #231D56

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

Preview Lab → · Contrast checker → · Palette generator →