#331D3B#331D3B

#331D3B is a dark, moderate purple. Relative luminance 0.019; OKLCH L 27.4% C 0.061 H 316.6°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#331D3B
RGB	rgb(51, 29, 59)
HSL	hsl(284, 34%, 17%)
HSV	hsv(284, 51%, 23%)
CMYK	cmyk(13.6%, 50.8%, 0%, 76.9%)
CIE-LAB	lab(14.94, 17.15, -15.11)
CIE-LCH	lch(14.94, 22.86, 318.63°)
OKLab	oklab(27.38% 0.0441 -0.0418)
OKLCH	oklch(27.38% 0.061 316.6)
XYZ	xyz(2.5939, 1.8984, 4.3666)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D3B #253B1D

analogous

#241D3B #331D3B #3B1D34

triadic

#331D3B #3B331D #1D3B33

tetradic

#331D3B #3B241D #253B1D #1D343B

square

#331D3B #3B241D #253B1D #1D343B

split-complementary

#331D3B #343B1D #1D3B24

monochromatic

#120A15 #120A15 #331D3B #563164 #7A458D

Accessibility & contrast

On white

15.22

#331D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D3B

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D3B	#FFFFFF	#000000	##FFFFFF
##331D3B	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243C

Deuteranopia (green-blind)

#1E263A

Tritanopia (blue-blind)

#332129

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331d3b;
/* rgb */ color: rgb(51, 29, 59);
/* oklch */ color: oklch(27.4% 0.061 316.6);

Tailwind

colors: {
  custom: {
    50: '#6b5971',
    500: '#331d3b',
    950: '#000000',
  },
}

SCSS

$custom: #331d3b;
$custom-light: #6b5971;
$custom-dark: #000000;

JSON

{
  "hex": "#331d3b",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 59
  },
  "hsl": {
    "h": 284,
    "s": 34.091,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27377,
    "c": 0.06076,
    "h": 316.6
  },
  "luminance": 0.01898
}

Semantic roles & 50–950 ramp

primary

#331D3B

secondary

#506F44

accent

#CA5E7B

background

#F6F5F6

surface

#EBE9EC

border

#C6C5C7

text

#070307

muted

#7A787A

Preview Lab

Preview with #331D3B

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

Preview Lab → · Contrast checker → · Palette generator →