#310D3C#310D3C

#310D3C is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.091 H 317.2°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#310D3C
RGB	rgb(49, 13, 60)
HSL	hsl(286, 64%, 14%)
HSV	hsv(286, 78%, 24%)
CMYK	cmyk(18.3%, 78.3%, 0%, 76.5%)
CIE-LAB	lab(11.04, 26.48, -22.01)
CIE-LCH	lch(11.04, 34.44, 320.27°)
OKLab	oklab(24.47% 0.0668 -0.0618)
OKLCH	oklch(24.47% 0.091 317.2)
XYZ	xyz(2.2260, 1.2672, 4.4014)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D3C #183C0D

analogous

#1A0D3C #310D3C #3C0D30

triadic

#310D3C #3C310D #0D3C31

tetradic

#310D3C #3C1A0D #183C0D #0D303C

square

#310D3C #3C1A0D #183C0D #0D303C

split-complementary

#310D3C #303C0D #0D3C1A

monochromatic

#150519 #150519 #310D3C #5A186E #8323A1

Accessibility & contrast

On white

16.75

#310D3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310D3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D3C

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D3C	#FFFFFF	#000000	##FFFFFF
##310D3C	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3D

Deuteranopia (green-blind)

#0E1F3B

Tritanopia (blue-blind)

#311623

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310d3c;
/* rgb */ color: rgb(49, 13, 60);
/* oklch */ color: oklch(24.5% 0.091 317.2);

Tailwind

colors: {
  custom: {
    50: '#6b4f72',
    500: '#310d3c',
    950: '#000000',
  },
}

SCSS

$custom: #310d3c;
$custom-light: #6b4f72;
$custom-dark: #000000;

JSON

{
  "hex": "#310d3c",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 60
  },
  "hsl": {
    "h": 285.957,
    "s": 64.384,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2447,
    "c": 0.091,
    "h": 317.2
  },
  "luminance": 0.01267
}

Semantic roles & 50–950 ramp

primary

#310D3C

secondary

#3F782D

accent

#E74067

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070208

muted

#7A787B

Preview Lab

Preview with #310D3C

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

Preview Lab → · Contrast checker → · Palette generator →