#331D37#331D37

#331D37 is a dark, muted purple. Relative luminance 0.019; OKLCH L 27.1% C 0.055 H 321.3°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#331D37
RGB	rgb(51, 29, 55)
HSL	hsl(291, 31%, 16%)
HSV	hsv(291, 47%, 22%)
CMYK	cmyk(7.3%, 47.3%, 0%, 78.4%)
CIE-LAB	lab(14.73, 16.14, -12.62)
CIE-LCH	lch(14.73, 20.49, 321.98°)
OKLab	oklab(27.14% 0.0432 -0.0346)
OKLCH	oklch(27.14% 0.055 321.3)
XYZ	xyz(2.4941, 1.8585, 3.8410)
Luminance	0.0186 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D37 #21371D

analogous

#261D37 #331D37 #371D2E

triadic

#331D37 #37331D #1D3733

tetradic

#331D37 #37261D #21371D #1D2E37

square

#331D37 #37261D #21371D #1D2E37

split-complementary

#331D37 #2E371D #1D3726

monochromatic

#130B14 #130B14 #331D37 #58325F #7D4787

Accessibility & contrast

On white

15.31

#331D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#331D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D37

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D37	#FFFFFF	#000000	##FFFFFF
##331D37	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2438

Deuteranopia (green-blind)

#1F2636

Tritanopia (blue-blind)

#342027

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #331d37;
/* rgb */ color: rgb(51, 29, 55);
/* oklch */ color: oklch(27.1% 0.055 321.3);

Tailwind

colors: {
  custom: {
    50: '#6b596e',
    500: '#331d37',
    950: '#000000',
  },
}

SCSS

$custom: #331d37;
$custom-light: #6b596e;
$custom-dark: #000000;

JSON

{
  "hex": "#331d37",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 55
  },
  "hsl": {
    "h": 290.769,
    "s": 30.952,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27142,
    "c": 0.05534,
    "h": 321.3
  },
  "luminance": 0.01858
}

Semantic roles & 50–950 ramp

primary

#331D37

secondary

#4B6B45

accent

#C76170

background

#F6F5F6

surface

#EBE9EB

border

#C6C5C6

text

#070307

muted

#7A787A

Preview Lab

Preview with #331D37

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

Preview Lab → · Contrast checker → · Palette generator →