#310B3D#310B3D

#310B3D is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.3% C 0.095 H 316.8°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#310B3D
RGB	rgb(49, 11, 61)
HSL	hsl(286, 69%, 14%)
HSV	hsv(286, 82%, 24%)
CMYK	cmyk(19.7%, 82%, 0%, 76.1%)
CIE-LAB	lab(10.77, 27.71, -23.16)
CIE-LCH	lch(10.77, 36.12, 320.11°)
OKLab	oklab(24.3% 0.0693 -0.0651)
OKLCH	oklch(24.3% 0.095 316.8)
XYZ	xyz(2.2285, 1.2293, 4.5339)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B3D #173D0B

analogous

#180B3D #310B3D #3D0B30

triadic

#310B3D #3D310B #0B3D31

tetradic

#310B3D #3D180B #173D0B #0B303D

square

#310B3D #3D180B #173D0B #0B303D

split-complementary

#310B3D #303D0B #0B3D18

monochromatic

#15051A #15051A #310B3D #5B1471 #841EA5

Accessibility & contrast

On white

16.86

#310B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B3D

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B3D	#FFFFFF	#000000	##FFFFFF
##310B3D	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#0C1E3C

Tritanopia (blue-blind)

#301523

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310b3d;
/* rgb */ color: rgb(49, 11, 61);
/* oklch */ color: oklch(24.3% 0.095 316.8);

Tailwind

colors: {
  custom: {
    50: '#6b4e73',
    500: '#310b3d',
    950: '#000000',
  },
}

SCSS

$custom: #310b3d;
$custom-light: #6b4e73;
$custom-dark: #000000;

JSON

{
  "hex": "#310b3d",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 285.6,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.243,
    "c": 0.09508,
    "h": 316.8
  },
  "luminance": 0.01229
}

Semantic roles & 50–950 ramp

primary

#310B3D

secondary

#3D7A2A

accent

#EC3C66

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310B3D

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

Preview Lab → · Contrast checker → · Palette generator →