#31188D#31188D

#31188D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.8% C 0.175 H 281.4°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#31188D
RGB	rgb(49, 24, 141)
HSL	hsl(253, 71%, 32%)
HSV	hsv(253, 83%, 55%)
CMYK	cmyk(65.2%, 83%, 0%, 44.7%)
CIE-LAB	lab(20.94, 44.20, -59.56)
CIE-LCH	lch(20.94, 74.17, 306.58°)
OKLab	oklab(33.84% 0.0345 -0.1719)
OKLCH	oklch(33.84% 0.175 281.4)
XYZ	xyz(6.3995, 3.2288, 25.4801)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31188D #748D18

analogous

#18398D #31188D #6C188D

triadic

#31188D #8D3118 #188D31

tetradic

#31188D #8D1839 #748D18 #188D6C

square

#31188D #8D1839 #748D18 #188D6C

split-complementary

#31188D #8D6C18 #398D18

monochromatic

#0D0624 #1F0F59 #31188D #4321C1 #6341DF

Accessibility & contrast

On white

12.76

#31188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#31188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31188D

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31188D	#FFFFFF	#000000	##FFFFFF
##31188D	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #31188d;
/* rgb */ color: rgb(49, 24, 141);
/* oklch */ color: oklch(33.8% 0.175 281.4);

Tailwind

colors: {
  custom: {
    50: '#775ab0',
    500: '#31188d',
    950: '#000000',
  },
}

SCSS

$custom: #31188d;
$custom-light: #775ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#31188d",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 252.821,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33842,
    "c": 0.17531,
    "h": 281.4
  },
  "luminance": 0.03229
}

Semantic roles & 50–950 ramp

primary

#31188D

secondary

#A4BF42

accent

#EE3AC7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #31188D

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

Preview Lab → · Contrast checker → · Palette generator →