#331C3F#331C3F

#331C3F is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.4% C 0.068 H 313.0°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#331C3F
RGB	rgb(51, 28, 63)
HSL	hsl(279, 38%, 18%)
HSV	hsv(279, 56%, 25%)
CMYK	cmyk(19%, 55.6%, 0%, 75.3%)
CIE-LAB	lab(14.92, 18.87, -17.96)
CIE-LCH	lch(14.92, 26.05, 316.42°)
OKLab	oklab(27.43% 0.0466 -0.05)
OKLCH	oklch(27.43% 0.068 313)
XYZ	xyz(2.6775, 1.8933, 4.9260)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C3F #283F1C

analogous

#211C3F #331C3F #3F1C39

triadic

#331C3F #3F331C #1C3F33

tetradic

#331C3F #3F211C #283F1C #1C393F

square

#331C3F #3F211C #283F1C #1C393F

split-complementary

#331C3F #393F1C #1C3F21

monochromatic

#110915 #110915 #331C3F #552F69 #784294

Accessibility & contrast

On white

15.23

#331C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C3F

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C3F	#FFFFFF	#000000	##FFFFFF
##331C3F	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142440

Deuteranopia (green-blind)

#1B263E

Tritanopia (blue-blind)

#32212A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #331c3f;
/* rgb */ color: rgb(51, 28, 63);
/* oklch */ color: oklch(27.4% 0.068 313.0);

Tailwind

colors: {
  custom: {
    50: '#6c5974',
    500: '#331c3f',
    950: '#000000',
  },
}

SCSS

$custom: #331c3f;
$custom-light: #6c5974;
$custom-dark: #000000;

JSON

{
  "hex": "#331c3f",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 63
  },
  "hsl": {
    "h": 279.429,
    "s": 38.462,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27433,
    "c": 0.06838,
    "h": 313
  },
  "luminance": 0.01893
}

Semantic roles & 50–950 ramp

primary

#331C3F

secondary

#547443

accent

#CE5982

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331C3F

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

Preview Lab → · Contrast checker → · Palette generator →