#331D79#331D79

#331D79 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.146 H 286.0°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#331D79
RGB	rgb(51, 29, 121)
HSL	hsl(254, 61%, 29%)
HSV	hsv(254, 76%, 47%)
CMYK	cmyk(57.9%, 76%, 0%, 52.5%)
CIE-LAB	lab(19.89, 35.76, -48.65)
CIE-LCH	lch(19.89, 60.38, 306.32°)
OKLab	oklab(32.52% 0.0403 -0.14)
OKLCH	oklch(32.52% 0.146 286)
XYZ	xyz(5.2548, 2.9627, 18.3804)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D79 #63791D

analogous

#1D3579 #331D79 #611D79

triadic

#331D79 #79331D #1D7933

tetradic

#331D79 #791D35 #63791D #1D7961

square

#331D79 #791D35 #63791D #1D7961

split-complementary

#331D79 #79611D #35791D

monochromatic

#0A0619 #1E1148 #331D79 #4829AA #623FD1

Accessibility & contrast

On white

13.19

#331D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D79

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D79	#FFFFFF	#000000	##FFFFFF
##331D79	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002D77

Tritanopia (blue-blind)

#133649

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331d79;
/* rgb */ color: rgb(51, 29, 121);
/* oklch */ color: oklch(32.5% 0.146 286.0);

Tailwind

colors: {
  custom: {
    50: '#735ba1',
    500: '#331d79',
    950: '#000000',
  },
}

SCSS

$custom: #331d79;
$custom-light: #735ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#331d79",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 254.348,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32524,
    "c": 0.14567,
    "h": 286
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#331D79

secondary

#94AD45

accent

#E443BE

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331D79

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

Preview Lab → · Contrast checker → · Palette generator →