#331F42#331F42

#331F42 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.2% C 0.067 H 309.1°. Best body text is #FFFFFF at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#331F42
RGB	rgb(51, 31, 66)
HSL	hsl(274, 36%, 19%)
HSV	hsv(274, 53%, 26%)
CMYK	cmyk(22.7%, 53%, 0%, 74.1%)
CIE-LAB	lab(15.89, 17.68, -18.52)
CIE-LCH	lch(15.89, 25.61, 313.66°)
OKLab	oklab(28.22% 0.042 -0.0517)
OKLCH	oklch(28.22% 0.067 309.1)
XYZ	xyz(2.8384, 2.0772, 5.4046)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F42 #2E421F

analogous

#221F42 #331F42 #421F40

triadic

#331F42 #42331F #1F4233

tetradic

#331F42 #42221F #2E421F #1F4042

square

#331F42 #42221F #2E421F #1F4042

split-complementary

#331F42 #40421F #1F4222

monochromatic

#100A15 #130B18 #331F42 #53336C #734695

Accessibility & contrast

On white

14.84

#331F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#331F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F42

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F42	#FFFFFF	#000000	##FFFFFF
##331F42	1.00	14.84	1.42	14.84
#FFFFFF	14.84	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172743

Deuteranopia (green-blind)

#1C2841

Tritanopia (blue-blind)

#31252D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331f42;
/* rgb */ color: rgb(51, 31, 66);
/* oklch */ color: oklch(28.2% 0.067 309.1);

Tailwind

colors: {
  custom: {
    50: '#6c5b76',
    500: '#331f42',
    950: '#000000',
  },
}

SCSS

$custom: #331f42;
$custom-light: #6c5b76;
$custom-dark: #000000;

JSON

{
  "hex": "#331f42",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 66
  },
  "hsl": {
    "h": 274.286,
    "s": 36.082,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28215,
    "c": 0.06656,
    "h": 309.1
  },
  "luminance": 0.02077
}

Semantic roles & 50–950 ramp

primary

#331F42

secondary

#5B7647

accent

#CC5C8C

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070408

muted

#7A797B

Preview Lab

Preview with #331F42

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

Preview Lab → · Contrast checker → · Palette generator →