#331B85#331B85

#331B85 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.163 H 283.7°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#331B85
RGB	rgb(51, 27, 133)
HSL	hsl(254, 66%, 31%)
HSV	hsv(254, 80%, 52%)
CMYK	cmyk(61.7%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(20.75, 40.55, -54.85)
CIE-LCH	lch(20.75, 68.21, 306.48°)
OKLab	oklab(33.5% 0.0385 -0.1581)
OKLCH	oklch(33.5% 0.163 283.7)
XYZ	xyz(5.9895, 3.1807, 22.4841)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B85 #6D851B

analogous

#1B3885 #331B85 #681B85

triadic

#331B85 #85331B #1B8533

tetradic

#331B85 #851B38 #6D851B #1B8568

square

#331B85 #851B38 #6D851B #1B8568

split-complementary

#331B85 #85681B #38851B

monochromatic

#0C061F #1F1152 #331B85 #4725B8 #6442D9

Accessibility & contrast

On white

12.83

#331B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#331B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B85

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B85	#FFFFFF	#000000	##FFFFFF
##331B85	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003588

Deuteranopia (green-blind)

#002E83

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331b85;
/* rgb */ color: rgb(51, 27, 133);
/* oklch */ color: oklch(33.5% 0.163 283.7);

Tailwind

colors: {
  custom: {
    50: '#765baa',
    500: '#331b85',
    950: '#000000',
  },
}

SCSS

$custom: #331b85;
$custom-light: #765baa;
$custom-dark: #000000;

JSON

{
  "hex": "#331b85",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 253.585,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.335,
    "c": 0.16271,
    "h": 283.7
  },
  "luminance": 0.03181
}

Semantic roles & 50–950 ramp

primary

#331B85

secondary

#9EB844

accent

#E93FC3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331B85

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

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