#331A80#331A80

#331A80 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.158 H 284.9°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#331A80
RGB	rgb(51, 26, 128)
HSL	hsl(255, 66%, 30%)
HSV	hsv(255, 80%, 50%)
CMYK	cmyk(60.2%, 79.7%, 0%, 49.8%)
CIE-LAB	lab(20.05, 39.53, -52.85)
CIE-LCH	lch(20.05, 66.00, 306.79°)
OKLab	oklab(32.85% 0.0407 -0.1523)
OKLCH	oklch(32.85% 0.158 284.9)
XYZ	xyz(5.6297, 3.0008, 20.7004)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A80 #67801A

analogous

#1A3480 #331A80 #661A80

triadic

#331A80 #80331A #1A8033

tetradic

#331A80 #801A34 #67801A #1A8066

square

#331A80 #801A34 #67801A #1A8066

split-complementary

#331A80 #80661A #34801A

monochromatic

#0A051A #1F104D #331A80 #4724B3 #633DD8

Accessibility & contrast

On white

13.12

#331A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#331A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A80

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A80	#FFFFFF	#000000	##FFFFFF
##331A80	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#002D7E

Tritanopia (blue-blind)

#07384C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331a80;
/* rgb */ color: rgb(51, 26, 128);
/* oklch */ color: oklch(32.8% 0.158 284.9);

Tailwind

colors: {
  custom: {
    50: '#755aa6',
    500: '#331a80',
    950: '#000000',
  },
}

SCSS

$custom: #331a80;
$custom-light: #755aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#331a80",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 128
  },
  "hsl": {
    "h": 254.706,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32848,
    "c": 0.1576,
    "h": 284.9
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary

#331A80

secondary

#98B442

accent

#E93FBF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331A80

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

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