#310D3D#310D3D

#310D3D is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.092 H 316.4°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#310D3D
RGB	rgb(49, 13, 61)
HSL	hsl(285, 65%, 15%)
HSV	hsv(285, 79%, 24%)
CMYK	cmyk(19.7%, 78.7%, 0%, 76.1%)
CIE-LAB	lab(11.12, 26.73, -22.61)
CIE-LCH	lch(11.12, 35.01, 319.78°)
OKLab	oklab(24.55% 0.0668 -0.0635)
OKLCH	oklch(24.55% 0.092 316.4)
XYZ	xyz(2.2527, 1.2778, 4.5420)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D3D #193D0D

analogous

#190D3D #310D3D #3D0D31

triadic

#310D3D #3D310D #0D3D31

tetradic

#310D3D #3D190D #193D0D #0D313D

square

#310D3D #3D190D #193D0D #0D313D

split-complementary

#310D3D #313D0D #0D3D19

monochromatic

#140519 #140519 #310D3D #5A186F #8223A2

Accessibility & contrast

On white

16.73

#310D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D3D

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D3D	#FFFFFF	#000000	##FFFFFF
##310D3D	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3E

Deuteranopia (green-blind)

#0D1F3C

Tritanopia (blue-blind)

#301623

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310d3d;
/* rgb */ color: rgb(49, 13, 61);
/* oklch */ color: oklch(24.5% 0.092 316.4);

Tailwind

colors: {
  custom: {
    50: '#6b4f73',
    500: '#310d3d',
    950: '#000000',
  },
}

SCSS

$custom: #310d3d;
$custom-light: #6b4f73;
$custom-dark: #000000;

JSON

{
  "hex": "#310d3d",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 61
  },
  "hsl": {
    "h": 285,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24549,
    "c": 0.09214,
    "h": 316.4
  },
  "luminance": 0.01278
}

Semantic roles & 50–950 ramp

primary

#310D3D

secondary

#40792D

accent

#E8406A

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310D3D

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

Preview Lab → · Contrast checker → · Palette generator →