#31083B#31083B

#31083B is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.8% C 0.097 H 318.8°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#31083B
RGB	rgb(49, 8, 59)
HSL	hsl(288, 76%, 13%)
HSV	hsv(288, 86%, 23%)
CMYK	cmyk(16.9%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(10.13, 28.64, -22.77)
CIE-LCH	lch(10.13, 36.58, 321.51°)
OKLab	oklab(23.79% 0.0731 -0.064)
OKLCH	oklch(23.79% 0.097 318.8)
XYZ	xyz(2.1428, 1.1425, 4.2445)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31083B #123B08

analogous

#17083B #31083B #3B082B

triadic

#31083B #3B3108 #083B31

tetradic

#31083B #3B1708 #123B08 #082B3B

square

#31083B #3B1708 #123B08 #082B3B

split-complementary

#31083B #2B3B08 #083B17

monochromatic

#16041B #16041B #31083B #5E0F71 #8B17A7

Accessibility & contrast

On white

17.10

#31083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#31083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31083B

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31083B	#FFFFFF	#000000	##FFFFFF
##31083B	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#0B1D3A

Tritanopia (blue-blind)

#311321

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #31083b;
/* rgb */ color: rgb(49, 8, 59);
/* oklch */ color: oklch(23.8% 0.097 318.8);

Tailwind

colors: {
  custom: {
    50: '#6b4d71',
    500: '#31083b',
    950: '#000000',
  },
}

SCSS

$custom: #31083b;
$custom-light: #6b4d71;
$custom-dark: #000000;

JSON

{
  "hex": "#31083b",
  "rgb": {
    "r": 49,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 288.235,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23791,
    "c": 0.09715,
    "h": 318.8
  },
  "luminance": 0.01142
}

Semantic roles & 50–950 ramp

primary

#31083B

secondary

#367A25

accent

#F3355A

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #31083B

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

Preview Lab → · Contrast checker → · Palette generator →