#231C96#231C96

#231C96 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.186 H 273.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#231C96
RGB	rgb(35, 28, 150)
HSL	hsl(243, 69%, 35%)
HSV	hsv(243, 81%, 59%)
CMYK	cmyk(76.7%, 81.3%, 0%, 41.2%)
CIE-LAB	lab(21.54, 43.83, -64.18)
CIE-LCH	lch(21.54, 77.72, 304.33°)
OKLab	oklab(34.28% 0.01 -0.1857)
OKLCH	oklch(34.28% 0.186 273.1)
XYZ	xyz(6.6116, 3.3891, 29.1540)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C96 #8F961C

analogous

#1C5296 #231C96 #601C96

triadic

#231C96 #96231C #1C9623

tetradic

#231C96 #961C52 #8F961C #1C9660

square

#231C96 #961C52 #8F961C #1C9660

split-complementary

#231C96 #96601C #52961C

monochromatic

#0B092F #171262 #231C96 #2F26CA #574EDE

Accessibility & contrast

On white

12.51

#231C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#231C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C96

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C96	#FFFFFF	#000000	##FFFFFF
##231C96	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003999

Deuteranopia (green-blind)

#002E94

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231c96;
/* rgb */ color: rgb(35, 28, 150);
/* oklch */ color: oklch(34.3% 0.186 273.1);

Tailwind

colors: {
  custom: {
    50: '#735cb6',
    500: '#231c96',
    950: '#000000',
  },
}

SCSS

$custom: #231c96;
$custom-light: #735cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#231c96",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 150
  },
  "hsl": {
    "h": 243.443,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34282,
    "c": 0.18597,
    "h": 273.1
  },
  "luminance": 0.0339
}

Semantic roles & 50–950 ramp

primary

#231C96

secondary

#BAC14D

accent

#EB3CE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #231C96

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

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