#331A81#331A81

#331A81 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.0% C 0.159 H 284.7°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#331A81
RGB	rgb(51, 26, 129)
HSL	hsl(255, 66%, 30%)
HSV	hsv(255, 80%, 51%)
CMYK	cmyk(60.5%, 79.8%, 0%, 49.4%)
CIE-LAB	lab(20.15, 39.83, -53.31)
CIE-LCH	lch(20.15, 66.55, 306.77°)
OKLab	oklab(32.95% 0.0403 -0.1536)
OKLCH	oklch(32.95% 0.159 284.7)
XYZ	xyz(5.6959, 3.0272, 21.0488)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A81 #68811A

analogous

#1A3481 #331A81 #661A81

triadic

#331A81 #81331A #1A8133

tetradic

#331A81 #811A34 #68811A #1A8166

square

#331A81 #811A34 #68811A #1A8166

split-complementary

#331A81 #81661A #34811A

monochromatic

#0B051B #1F104E #331A81 #4724B4 #633DD8

Accessibility & contrast

On white

13.08

#331A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A81

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A81	#FFFFFF	#000000	##FFFFFF
##331A81	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002D7F

Tritanopia (blue-blind)

#05384D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331a81;
/* rgb */ color: rgb(51, 26, 129);
/* oklch */ color: oklch(33.0% 0.159 284.7);

Tailwind

colors: {
  custom: {
    50: '#755aa7',
    500: '#331a81',
    950: '#000000',
  },
}

SCSS

$custom: #331a81;
$custom-light: #755aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#331a81",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 129
  },
  "hsl": {
    "h": 254.563,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32953,
    "c": 0.15882,
    "h": 284.7
  },
  "luminance": 0.03028
}

Semantic roles & 50–950 ramp

primary

#331A81

secondary

#99B542

accent

#E93EC0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331A81

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

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