#331F3B#331F3B

#331F3B is a dark, muted purple. Relative luminance 0.020; OKLCH L 27.8% C 0.056 H 315.8°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#331F3B
RGB	rgb(51, 31, 59)
HSL	hsl(283, 31%, 18%)
HSV	hsv(283, 47%, 23%)
CMYK	cmyk(13.6%, 47.5%, 0%, 76.9%)
CIE-LAB	lab(15.49, 15.80, -14.26)
CIE-LCH	lch(15.49, 21.28, 317.92°)
OKLab	oklab(27.78% 0.0405 -0.0394)
OKLCH	oklch(27.78% 0.056 315.8)
XYZ	xyz(2.6445, 1.9996, 4.3835)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F3B #273B1F

analogous

#251F3B #331F3B #3B1F35

triadic

#331F3B #3B331F #1F3B33

tetradic

#331F3B #3B251F #273B1F #1F353B

square

#331F3B #3B251F #273B1F #1F353B

split-complementary

#331F3B #353B1F #1F3B25

monochromatic

#110B14 #110B14 #331F3B #563463 #78498B

Accessibility & contrast

On white

15.00

#331F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F3B

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F3B	#FFFFFF	#000000	##FFFFFF
##331F3B	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253C

Deuteranopia (green-blind)

#1F273A

Tritanopia (blue-blind)

#33232A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331f3b;
/* rgb */ color: rgb(51, 31, 59);
/* oklch */ color: oklch(27.8% 0.056 315.8);

Tailwind

colors: {
  custom: {
    50: '#6b5b71',
    500: '#331f3b',
    950: '#000000',
  },
}

SCSS

$custom: #331f3b;
$custom-light: #6b5b71;
$custom-dark: #000000;

JSON

{
  "hex": "#331f3b",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 59
  },
  "hsl": {
    "h": 282.857,
    "s": 31.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27783,
    "c": 0.05648,
    "h": 315.8
  },
  "luminance": 0.02
}

Semantic roles & 50–950 ramp

primary

#331F3B

secondary

#526F47

accent

#C7607E

background

#F6F5F6

surface

#EBE9EC

border

#C6C5C7

text

#070407

muted

#7A797A

Preview Lab

Preview with #331F3B

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

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