#231988#231988

#231988 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.172 H 274.9°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#231988
RGB	rgb(35, 25, 136)
HSL	hsl(245, 69%, 32%)
HSV	hsv(245, 82%, 53%)
CMYK	cmyk(74.3%, 81.6%, 0%, 46.7%)
CIE-LAB	lab(19.35, 40.84, -59.10)
CIE-LCH	lch(19.35, 71.83, 304.64°)
OKLab	oklab(32.27% 0.0147 -0.1709)
OKLCH	oklch(32.27% 0.172 274.9)
XYZ	xyz(5.4832, 2.8296, 23.5450)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231988 #7E8819

analogous

#194788 #231988 #5B1988

triadic

#231988 #882319 #198823

tetradic

#231988 #881947 #7E8819 #19885B

square

#231988 #881947 #7E8819 #19885B

split-complementary

#231988 #885B19 #478819

monochromatic

#080621 #160F54 #231988 #3023BC #4E40DC

Accessibility & contrast

On white

13.41

#231988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231988

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231988	#FFFFFF	#000000	##FFFFFF
##231988	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231988;
/* rgb */ color: rgb(35, 25, 136);
/* oklch */ color: oklch(32.3% 0.172 274.9);

Tailwind

colors: {
  custom: {
    50: '#7059ac',
    500: '#231988',
    950: '#000000',
  },
}

SCSS

$custom: #231988;
$custom-light: #7059ac;
$custom-dark: #000000;

JSON

{
  "hex": "#231988",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 136
  },
  "hsl": {
    "h": 245.405,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32271,
    "c": 0.17153,
    "h": 274.9
  },
  "luminance": 0.0283
}

Semantic roles & 50–950 ramp

primary

#231988

secondary

#B0BB41

accent

#EC3CDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231988

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

Preview Lab → · Contrast checker → · Palette generator →