#331F3F#331F3F

#331F3F is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.0% C 0.062 H 311.7°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#331F3F
RGB	rgb(51, 31, 63)
HSL	hsl(278, 34%, 18%)
HSV	hsv(278, 51%, 25%)
CMYK	cmyk(19%, 50.8%, 0%, 75.3%)
CIE-LAB	lab(15.71, 16.86, -16.71)
CIE-LCH	lch(15.71, 23.74, 315.25°)
OKLab	oklab(28.03% 0.0414 -0.0464)
OKLCH	oklch(28.03% 0.062 311.7)
XYZ	xyz(2.7523, 2.0427, 4.9510)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F3F #2B3F1F

analogous

#231F3F #331F3F #3F1F3B

triadic

#331F3F #3F331F #1F3F33

tetradic

#331F3F #3F231F #2B3F1F #1F3B3F

square

#331F3F #3F231F #2B3F1F #1F3B3F

split-complementary

#331F3F #3B3F1F #1F3F23

monochromatic

#110A15 #120B16 #331F3F #543368 #754791

Accessibility & contrast

On white

14.91

#331F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#331F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F3F

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F3F	#FFFFFF	#000000	##FFFFFF
##331F3F	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182640

Deuteranopia (green-blind)

#1D283E

Tritanopia (blue-blind)

#32242C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331f3f;
/* rgb */ color: rgb(51, 31, 63);
/* oklch */ color: oklch(28.0% 0.062 311.7);

Tailwind

colors: {
  custom: {
    50: '#6b5b74',
    500: '#331f3f',
    950: '#000000',
  },
}

SCSS

$custom: #331f3f;
$custom-light: #6b5b74;
$custom-dark: #000000;

JSON

{
  "hex": "#331f3f",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 277.5,
    "s": 34.043,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28025,
    "c": 0.0622,
    "h": 311.7
  },
  "luminance": 0.02043
}

Semantic roles & 50–950 ramp

primary

#331F3F

secondary

#577347

accent

#CA5E86

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070408

muted

#7A797B

Preview Lab

Preview with #331F3F

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

Preview Lab → · Contrast checker → · Palette generator →