#231C84#231C84

#231C84 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.164 H 275.0°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#231C84
RGB	rgb(35, 28, 132)
HSL	hsl(244, 65%, 31%)
HSV	hsv(244, 79%, 52%)
CMYK	cmyk(73.5%, 78.8%, 0%, 48.2%)
CIE-LAB	lab(19.45, 37.90, -56.42)
CIE-LCH	lch(19.45, 67.97, 303.89°)
OKLab	oklab(32.2% 0.0143 -0.1631)
OKLCH	oklch(32.2% 0.164 275)
XYZ	xyz(5.2719, 2.8533, 22.0982)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C84 #7D841C

analogous

#1C4984 #231C84 #571C84

triadic

#231C84 #84231C #1C8423

tetradic

#231C84 #841C49 #7D841C #1C8457

square

#231C84 #841C49 #7D841C #1C8457

split-complementary

#231C84 #84571C #49841C

monochromatic

#08071F #161152 #231C84 #3027B6 #4D43D7

Accessibility & contrast

On white

13.37

#231C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C84

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C84	#FFFFFF	#000000	##FFFFFF
##231C84	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002A82

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231c84;
/* rgb */ color: rgb(35, 28, 132);
/* oklch */ color: oklch(32.2% 0.164 275.0);

Tailwind

colors: {
  custom: {
    50: '#6e5aa9',
    500: '#231c84',
    950: '#000000',
  },
}

SCSS

$custom: #231c84;
$custom-light: #6e5aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#231c84",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 132
  },
  "hsl": {
    "h": 244.038,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32204,
    "c": 0.16378,
    "h": 275
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#231C84

secondary

#AFB745

accent

#E840DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231C84

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

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