#310B31#310B31

#310B31 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.082 H 327.8°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#310B31
RGB	rgb(49, 11, 49)
HSL	hsl(300, 63%, 12%)
HSV	hsv(300, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 0%, 80.8%)
CIE-LAB	lab(9.91, 24.98, -15.86)
CIE-LCH	lch(9.91, 29.59, 327.60°)
OKLab	oklab(23.4% 0.0696 -0.0438)
OKLCH	oklch(23.4% 0.082 327.8)
XYZ	xyz(1.9406, 1.1142, 3.0180)
Luminance	0.0111 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B31 #0B310B

analogous

#1E0B31 #310B31 #310B1E

triadic

#310B31 #31310B #0B3131

tetradic

#310B31 #311E0B #0B310B #0B1E31

square

#310B31 #311E0B #0B310B #0B1E31

split-complementary

#310B31 #1E310B #0B311E

monochromatic

#190619 #190619 #310B31 #631663 #952195

Accessibility & contrast

On white

17.17

#310B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B31

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B31	#FFFFFF	#000000	##FFFFFF
##310B31	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061832

Deuteranopia (green-blind)

#141D30

Tritanopia (blue-blind)

#33101C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310b31;
/* rgb */ color: rgb(49, 11, 49);
/* oklch */ color: oklch(23.4% 0.082 327.8);

Tailwind

colors: {
  custom: {
    50: '#6b4d69',
    500: '#310b31',
    950: '#000000',
  },
}

SCSS

$custom: #310b31;
$custom-light: #6b4d69;
$custom-dark: #000000;

JSON

{
  "hex": "#310b31",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 49
  },
  "hsl": {
    "h": 300,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23403,
    "c": 0.08228,
    "h": 327.8
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary

#310B31

secondary

#2A6E2A

accent

#E64141

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070106

muted

#7A777A

Preview Lab

Preview with #310B31

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

Preview Lab → · Contrast checker → · Palette generator →