#231C69#231C69

#231C69 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.128 H 279.0°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#231C69
RGB	rgb(35, 28, 105)
HSL	hsl(245, 58%, 26%)
HSV	hsv(245, 73%, 41%)
CMYK	cmyk(66.7%, 73.3%, 0%, 58.8%)
CIE-LAB	lab(16.54, 28.54, -43.86)
CIE-LCH	lch(16.54, 52.33, 303.06°)
OKLab	oklab(29.27% 0.0201 -0.1265)
OKLCH	oklch(29.27% 0.128 279)
XYZ	xyz(3.6574, 2.2075, 13.5952)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C69 #62691C

analogous

#1C3B69 #231C69 #491C69

triadic

#231C69 #69231C #1C6923

tetradic

#231C69 #691C3B #62691C #1C6949

square

#231C69 #691C3B #62691C #1C6949

split-complementary

#231C69 #69491C #3B691C

monochromatic

#080618 #130F39 #231C69 #332999 #4336C9

Accessibility & contrast

On white

14.57

#231C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#231C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C69

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C69	#FFFFFF	#000000	##FFFFFF
##231C69	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6B

Deuteranopia (green-blind)

#002668

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231c69;
/* rgb */ color: rgb(35, 28, 105);
/* oklch */ color: oklch(29.3% 0.128 279.0);

Tailwind

colors: {
  custom: {
    50: '#685995',
    500: '#231c69',
    950: '#000000',
  },
}

SCSS

$custom: #231c69;
$custom-light: #685995;
$custom-dark: #000000;

JSON

{
  "hex": "#231c69",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 105
  },
  "hsl": {
    "h": 245.455,
    "s": 57.895,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29269,
    "c": 0.12809,
    "h": 279
  },
  "luminance": 0.02208
}

Semantic roles & 50–950 ramp

primary

#231C69

secondary

#969E43

accent

#E147D3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231C69

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

Preview Lab → · Contrast checker → · Palette generator →