#331AA1#331AA1

#331AA1 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.197 H 278.8°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#331AA1
RGB	rgb(51, 26, 161)
HSL	hsl(251, 72%, 37%)
HSV	hsv(251, 84%, 63%)
CMYK	cmyk(68.3%, 83.9%, 0%, 36.9%)
CIE-LAB	lab(23.72, 49.41, -67.28)
CIE-LCH	lch(23.72, 83.47, 306.30°)
OKLab	oklab(36.48% 0.0301 -0.1943)
OKLCH	oklch(36.48% 0.197 278.8)
XYZ	xyz(8.1656, 4.0151, 34.0560)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331AA1 #88A11A

analogous

#1A45A1 #331AA1 #771AA1

triadic

#331AA1 #A1331A #1AA133

tetradic

#331AA1 #A11A45 #88A11A #1AA177

square

#331AA1 #A11A45 #88A11A #1AA177

split-complementary

#331AA1 #A1771A #45A11A

monochromatic

#120938 #22116C #331AA1 #4423D6 #6D52E3

Accessibility & contrast

On white

11.65

#331AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#331AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331AA1

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331AA1	#FFFFFF	#000000	##FFFFFF
##331AA1	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #331aa1;
/* rgb */ color: rgb(51, 26, 161);
/* oklch */ color: oklch(36.5% 0.197 278.8);

Tailwind

colors: {
  custom: {
    50: '#7c5cbe',
    500: '#331aa1',
    950: '#000000',
  },
}

SCSS

$custom: #331aa1;
$custom-light: #7c5cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#331aa1",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 161
  },
  "hsl": {
    "h": 251.111,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36479,
    "c": 0.19659,
    "h": 278.8
  },
  "luminance": 0.04016
}

Semantic roles & 50–950 ramp

primary

#331AA1

secondary

#B0C651

accent

#EF39CD

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331AA1

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

Preview Lab → · Contrast checker → · Palette generator →