#310C3B#310C3B

#310C3B is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.3% C 0.091 H 318.3°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#310C3B
RGB	rgb(49, 12, 59)
HSL	hsl(287, 66%, 14%)
HSV	hsv(287, 80%, 23%)
CMYK	cmyk(16.9%, 79.7%, 0%, 76.9%)
CIE-LAB	lab(10.79, 26.75, -21.70)
CIE-LCH	lch(10.79, 34.45, 320.94°)
OKLab	oklab(24.26% 0.0682 -0.0609)
OKLCH	oklch(24.26% 0.091 318.3)
XYZ	xyz(2.1874, 1.2318, 4.2594)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C3B #163B0C

analogous

#1A0C3B #310C3B #3B0C2E

triadic

#310C3B #3B310C #0C3B31

tetradic

#310C3B #3B1A0C #163B0C #0C2E3B

square

#310C3B #3B1A0C #163B0C #0C2E3B

split-complementary

#310C3B #2E3B0C #0C3B1A

monochromatic

#150519 #150519 #310C3B #5B166E #8521A1

Accessibility & contrast

On white

16.85

#310C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310C3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C3B

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C3B	#FFFFFF	#000000	##FFFFFF
##310C3B	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#0E1E3A

Tritanopia (blue-blind)

#311522

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310c3b;
/* rgb */ color: rgb(49, 12, 59);
/* oklch */ color: oklch(24.3% 0.091 318.3);

Tailwind

colors: {
  custom: {
    50: '#6b4e71',
    500: '#310c3b',
    950: '#000000',
  },
}

SCSS

$custom: #310c3b;
$custom-light: #6b4e71;
$custom-dark: #000000;

JSON

{
  "hex": "#310c3b",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 59
  },
  "hsl": {
    "h": 287.234,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24264,
    "c": 0.09141,
    "h": 318.3
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#310C3B

secondary

#3C772C

accent

#E93F63

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310C3B

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

Preview Lab → · Contrast checker → · Palette generator →