#331E81#331E81

#331E81 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.155 H 284.0°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#331E81
RGB	rgb(51, 30, 129)
HSL	hsl(253, 62%, 31%)
HSV	hsv(253, 77%, 51%)
CMYK	cmyk(60.5%, 76.7%, 0%, 49.4%)
CIE-LAB	lab(20.89, 37.72, -52.09)
CIE-LCH	lch(20.89, 64.32, 305.91°)
OKLab	oklab(33.47% 0.0374 -0.1501)
OKLCH	oklch(33.47% 0.155 284)
XYZ	xyz(5.7907, 3.2170, 21.0804)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E81 #6C811E

analogous

#1E3A81 #331E81 #641E81

triadic

#331E81 #81331E #1E8133

tetradic

#331E81 #811E3A #6C811E #1E8164

square

#331E81 #811E3A #6C811E #1E8164

split-complementary

#331E81 #81641E #3A811E

monochromatic

#0C071E #1F124F #331E81 #472AB3 #6446D4

Accessibility & contrast

On white

12.78

#331E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#331E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E81

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E81	#FFFFFF	#000000	##FFFFFF
##331E81	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#002F7F

Tritanopia (blue-blind)

#043A4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331e81;
/* rgb */ color: rgb(51, 30, 129);
/* oklch */ color: oklch(33.5% 0.155 284.0);

Tailwind

colors: {
  custom: {
    50: '#755ca7',
    500: '#331e81',
    950: '#000000',
  },
}

SCSS

$custom: #331e81;
$custom-light: #755ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#331e81",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 129
  },
  "hsl": {
    "h": 252.727,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33472,
    "c": 0.15468,
    "h": 284
  },
  "luminance": 0.03217
}

Semantic roles & 50–950 ramp

primary

#331E81

secondary

#9DB447

accent

#E542C3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331E81

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

Preview Lab → · Contrast checker → · Palette generator →