#31188A#31188A

#31188A is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.5% C 0.172 H 281.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#31188A
RGB	rgb(49, 24, 138)
HSL	hsl(253, 70%, 32%)
HSV	hsv(253, 83%, 54%)
CMYK	cmyk(64.5%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(20.60, 43.29, -58.25)
CIE-LCH	lch(20.60, 72.57, 306.62°)
OKLab	oklab(33.51% 0.0355 -0.168)
OKLCH	oklch(33.51% 0.172 281.9)
XYZ	xyz(6.1793, 3.1408, 24.3204)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31188A #718A18

analogous

#18388A #31188A #6A188A

triadic

#31188A #8A3118 #188A31

tetradic

#31188A #8A1838 #718A18 #188A6A

square

#31188A #8A1838 #718A18 #188A6A

split-complementary

#31188A #8A6A18 #388A18

monochromatic

#0C0622 #1E0F56 #31188A #4421BE #623FDE

Accessibility & contrast

On white

12.90

#31188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#31188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31188A

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31188A	#FFFFFF	#000000	##FFFFFF
##31188A	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002E88

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #31188a;
/* rgb */ color: rgb(49, 24, 138);
/* oklch */ color: oklch(33.5% 0.172 281.9);

Tailwind

colors: {
  custom: {
    50: '#765aad',
    500: '#31188a',
    950: '#000000',
  },
}

SCSS

$custom: #31188a;
$custom-light: #765aad;
$custom-dark: #000000;

JSON

{
  "hex": "#31188a",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 253.158,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33508,
    "c": 0.17176,
    "h": 281.9
  },
  "luminance": 0.03141
}

Semantic roles & 50–950 ramp

primary

#31188A

secondary

#A2BD40

accent

#ED3BC6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #31188A

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

Preview Lab → · Contrast checker → · Palette generator →