#331B93#331B93

#331B93 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.179 H 281.0°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#331B93
RGB	rgb(51, 27, 147)
HSL	hsl(252, 69%, 34%)
HSV	hsv(252, 82%, 58%)
CMYK	cmyk(65.3%, 81.6%, 0%, 42.4%)
CIE-LAB	lab(22.28, 44.80, -61.06)
CIE-LCH	lch(22.28, 75.74, 306.27°)
OKLab	oklab(35.02% 0.0341 -0.1762)
OKLCH	oklch(35.02% 0.18 281)
XYZ	xyz(7.0220, 3.5937, 27.9217)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B93 #7B931B

analogous

#1B3F93 #331B93 #6F1B93

triadic

#331B93 #93331B #1B9333

tetradic

#331B93 #931B3F #7B931B #1B936F

square

#331B93 #931B3F #7B931B #1B936F

split-complementary

#331B93 #936F1B #3F931B

monochromatic

#0F082C #21125F #331B93 #4524C7 #684BDE

Accessibility & contrast

On white

12.22

#331B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#331B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B93

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B93	#FFFFFF	#000000	##FFFFFF
##331B93	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#003191

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #331b93;
/* rgb */ color: rgb(51, 27, 147);
/* oklch */ color: oklch(35.0% 0.179 281.0);

Tailwind

colors: {
  custom: {
    50: '#795cb4',
    500: '#331b93',
    950: '#000000',
  },
}

SCSS

$custom: #331b93;
$custom-light: #795cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#331b93",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 147
  },
  "hsl": {
    "h": 252,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35016,
    "c": 0.1795,
    "h": 281
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#331B93

secondary

#A8C04A

accent

#EC3CC9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331B93

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

Preview Lab → · Contrast checker → · Palette generator →