#331D72#331D72

#331D72 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.137 H 287.9°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#331D72
RGB	rgb(51, 29, 114)
HSL	hsl(256, 59%, 28%)
HSV	hsv(256, 75%, 45%)
CMYK	cmyk(55.3%, 74.6%, 0%, 55.3%)
CIE-LAB	lab(19.21, 33.56, -45.27)
CIE-LCH	lch(19.21, 56.35, 306.55°)
OKLab	oklab(31.83% 0.0419 -0.1301)
OKLCH	oklch(31.83% 0.137 287.9)
XYZ	xyz(4.8410, 2.7972, 16.2012)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D72 #5C721D

analogous

#1D3272 #331D72 #5D1D72

triadic

#331D72 #72331D #1D7233

tetradic

#331D72 #721D32 #5C721D #1D725D

square

#331D72 #721D32 #5C721D #1D725D

split-complementary

#331D72 #725D1D #32721D

monochromatic

#0B0618 #1D1141 #331D72 #4929A3 #623CCD

Accessibility & contrast

On white

13.47

#331D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D72

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D72	#FFFFFF	#000000	##FFFFFF
##331D72	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003175

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#1A3345

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331d72;
/* rgb */ color: rgb(51, 29, 114);
/* oklch */ color: oklch(31.8% 0.137 287.9);

Tailwind

colors: {
  custom: {
    50: '#725b9b',
    500: '#331d72',
    950: '#000000',
  },
}

SCSS

$custom: #331d72;
$custom-light: #725b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#331d72",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 114
  },
  "hsl": {
    "h": 255.529,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31832,
    "c": 0.13668,
    "h": 287.9
  },
  "luminance": 0.02797
}

Semantic roles & 50–950 ramp

primary

#331D72

secondary

#8DA645

accent

#E345BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331D72

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

Preview Lab → · Contrast checker → · Palette generator →