#231C5E#231C5E

#231C5E is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.113 H 281.2°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#231C5E
RGB	rgb(35, 28, 94)
HSL	hsl(246, 54%, 24%)
HSV	hsv(246, 70%, 37%)
CMYK	cmyk(62.8%, 70.2%, 0%, 63.1%)
CIE-LAB	lab(15.47, 24.61, -38.35)
CIE-LCH	lch(15.47, 45.57, 302.68°)
OKLab	oklab(28.16% 0.0218 -0.1104)
OKLCH	oklch(28.16% 0.113 281.2)
XYZ	xyz(3.1281, 1.9958, 10.8079)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C5E #575E1C

analogous

#1C365E #231C5E #441C5E

triadic

#231C5E #5E231C #1C5E23

tetradic

#231C5E #5E1C36 #575E1C #1C5E44

square

#231C5E #5E1C36 #575E1C #1C5E44

split-complementary

#231C5E #5E441C #365E1C

monochromatic

#090718 #110E2F #231C5E #352A8D #4638BC

Accessibility & contrast

On white

15.01

#231C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#231C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C5E

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C5E	#FFFFFF	#000000	##FFFFFF
##231C5E	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002960

Deuteranopia (green-blind)

#00245D

Tritanopia (blue-blind)

#012D3A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231c5e;
/* rgb */ color: rgb(35, 28, 94);
/* oklch */ color: oklch(28.2% 0.113 281.2);

Tailwind

colors: {
  custom: {
    50: '#65598c',
    500: '#231c5e',
    950: '#000000',
  },
}

SCSS

$custom: #231c5e;
$custom-light: #65598c;
$custom-dark: #000000;

JSON

{
  "hex": "#231c5e",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 94
  },
  "hsl": {
    "h": 246.364,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28163,
    "c": 0.1125,
    "h": 281.2
  },
  "luminance": 0.01996
}

Semantic roles & 50–950 ramp

primary

#231C5E

secondary

#8B9342

accent

#DD4ACE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231C5E

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

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