#331D3D#331D3D

#331D3D is a dark, moderate purple. Relative luminance 0.019; OKLCH L 27.5% C 0.064 H 314.5°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#331D3D
RGB	rgb(51, 29, 61)
HSL	hsl(281, 36%, 18%)
HSV	hsv(281, 52%, 24%)
CMYK	cmyk(16.4%, 52.5%, 0%, 76.1%)
CIE-LAB	lab(15.06, 17.68, -16.33)
CIE-LCH	lch(15.06, 24.07, 317.26°)
OKLab	oklab(27.5% 0.0445 -0.0453)
OKLCH	oklch(27.5% 0.064 314.5)
XYZ	xyz(2.6468, 1.9195, 4.6451)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D3D #273D1D

analogous

#231D3D #331D3D #3D1D37

triadic

#331D3D #3D331D #1D3D33

tetradic

#331D3D #3D231D #273D1D #1D373D

square

#331D3D #3D231D #273D1D #1D373D

split-complementary

#331D3D #373D1D #1D3D23

monochromatic

#110A15 #110A15 #331D3D #563166 #784490

Accessibility & contrast

On white

15.18

#331D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D3D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D3D	#FFFFFF	#000000	##FFFFFF
##331D3D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253E

Deuteranopia (green-blind)

#1D263C

Tritanopia (blue-blind)

#32222A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331d3d;
/* rgb */ color: rgb(51, 29, 61);
/* oklch */ color: oklch(27.5% 0.064 314.5);

Tailwind

colors: {
  custom: {
    50: '#6b5972',
    500: '#331d3d',
    950: '#000000',
  },
}

SCSS

$custom: #331d3d;
$custom-light: #6b5972;
$custom-dark: #000000;

JSON

{
  "hex": "#331d3d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 61
  },
  "hsl": {
    "h": 281.25,
    "s": 35.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.275,
    "c": 0.06353,
    "h": 314.5
  },
  "luminance": 0.01919
}

Semantic roles & 50–950 ramp

primary

#331D3D

secondary

#527244

accent

#CC5C7F

background

#F6F5F6

surface

#EBE9EC

border

#C6C5C7

text

#070308

muted

#7A787B

Preview Lab

Preview with #331D3D

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

Preview Lab → · Contrast checker → · Palette generator →