#331B4D#331B4D

#331B4D is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.2% C 0.090 H 303.2°. Best body text is #FFFFFF at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#331B4D
RGB	rgb(51, 27, 77)
HSL	hsl(269, 48%, 20%)
HSV	hsv(269, 65%, 30%)
CMYK	cmyk(33.8%, 64.9%, 0%, 69.8%)
CIE-LAB	lab(15.61, 23.44, -26.55)
CIE-LCH	lch(15.61, 35.42, 311.44°)
OKLab	oklab(28.25% 0.0492 -0.0751)
OKLCH	oklch(28.25% 0.09 303.2)
XYZ	xyz(3.0964, 2.0235, 7.2472)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B4D #354D1B

analogous

#1B1C4D #331B4D #4C1B4D

triadic

#331B4D #4D331B #1B4D33

tetradic

#331B4D #4D1B1C #354D1B #1B4D4C

square

#331B4D #4D1B1C #354D1B #1B4D4C

split-complementary

#331B4D #4D4C1B #1C4D1B

monochromatic

#0F0817 #150B20 #331B4D #512B7A #6F3BA8

Accessibility & contrast

On white

14.95

#331B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B4D

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B4D	#FFFFFF	#000000	##FFFFFF
##331B4D	1.00	14.95	1.40	14.95
#FFFFFF	14.95	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05264F

Deuteranopia (green-blind)

#0F274C

Tritanopia (blue-blind)

#2E2531

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331b4d;
/* rgb */ color: rgb(51, 27, 77);
/* oklch */ color: oklch(28.2% 0.090 303.2);

Tailwind

colors: {
  custom: {
    50: '#6d587f',
    500: '#331b4d',
    950: '#000000',
  },
}

SCSS

$custom: #331b4d;
$custom-light: #6d587f;
$custom-dark: #000000;

JSON

{
  "hex": "#331b4d",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 77
  },
  "hsl": {
    "h": 268.8,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28249,
    "c": 0.0898,
    "h": 303.2
  },
  "luminance": 0.02023
}

Semantic roles & 50–950 ramp

primary

#331B4D

secondary

#638341

accent

#D85097

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331B4D

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

Preview Lab → · Contrast checker → · Palette generator →