#310B2B#310B2B

#310B2B is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.0% C 0.076 H 334.6°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#310B2B
RGB	rgb(49, 11, 43)
HSL	hsl(309, 63%, 12%)
HSV	hsv(309, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 12.2%, 80.8%)
CIE-LAB	lab(9.54, 23.75, -12.01)
CIE-LCH	lch(9.54, 26.62, 333.18°)
OKLab	oklab(23.01% 0.069 -0.0327)
OKLCH	oklch(23.01% 0.076 334.6)
XYZ	xyz(1.8224, 1.0669, 2.3950)
Luminance	0.0107 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B2B #0B3111

analogous

#240B31 #310B2B #310B18

triadic

#310B2B #2B310B #0B2B31

tetradic

#310B2B #31240B #0B3111 #0B1831

square

#310B2B #31240B #0B3111 #0B1831

split-complementary

#310B2B #18310B #0B3124

monochromatic

#190616 #190616 #310B2B #631657 #952183

Accessibility & contrast

On white

17.31

#310B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B2B

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B2B	#FFFFFF	#000000	##FFFFFF
##310B2B	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B172C

Deuteranopia (green-blind)

#171D2A

Tritanopia (blue-blind)

#340E19

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310b2b;
/* rgb */ color: rgb(49, 11, 43);
/* oklch */ color: oklch(23.0% 0.076 334.6);

Tailwind

colors: {
  custom: {
    50: '#6b4d64',
    500: '#310b2b',
    950: '#000000',
  },
}

SCSS

$custom: #310b2b;
$custom-light: #6b4d64;
$custom-dark: #000000;

JSON

{
  "hex": "#310b2b",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 43
  },
  "hsl": {
    "h": 309.474,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23012,
    "c": 0.07635,
    "h": 334.6
  },
  "luminance": 0.01067
}

Semantic roles & 50–950 ramp

primary

#310B2B

secondary

#2A6E35

accent

#E65B41

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070105

muted

#7A777A

Preview Lab

Preview with #310B2B

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

Preview Lab → · Contrast checker → · Palette generator →