#331C40#331C40

#331C40 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.5% C 0.070 H 312.1°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#331C40
RGB	rgb(51, 28, 64)
HSL	hsl(278, 39%, 18%)
HSV	hsv(278, 56%, 25%)
CMYK	cmyk(20.3%, 56.2%, 0%, 74.9%)
CIE-LAB	lab(14.98, 19.14, -18.56)
CIE-LCH	lch(14.98, 26.67, 315.88°)
OKLab	oklab(27.5% 0.0468 -0.0518)
OKLCH	oklch(27.5% 0.07 312.1)
XYZ	xyz(2.7057, 1.9045, 5.0746)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C40 #29401C

analogous

#211C40 #331C40 #401C3B

triadic

#331C40 #40331C #1C4033

tetradic

#331C40 #40211C #29401C #1C3B40

square

#331C40 #40211C #29401C #1C3B40

split-complementary

#331C40 #3B401C #1C4021

monochromatic

#110915 #110915 #331C40 #552F6B #774195

Accessibility & contrast

On white

15.21

#331C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C40

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C40	#FFFFFF	#000000	##FFFFFF
##331C40	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142441

Deuteranopia (green-blind)

#1A263F

Tritanopia (blue-blind)

#32222B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331c40;
/* rgb */ color: rgb(51, 28, 64);
/* oklch */ color: oklch(27.5% 0.070 312.1);

Tailwind

colors: {
  custom: {
    50: '#6c5975',
    500: '#331c40',
    950: '#000000',
  },
}

SCSS

$custom: #331c40;
$custom-light: #6c5975;
$custom-dark: #000000;

JSON

{
  "hex": "#331c40",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 64
  },
  "hsl": {
    "h": 278.333,
    "s": 39.13,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27499,
    "c": 0.06977,
    "h": 312.1
  },
  "luminance": 0.01904
}

Semantic roles & 50–950 ramp

primary

#331C40

secondary

#557543

accent

#CF5983

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331C40

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

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