#331D77#331D77

#331D77 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.143 H 286.5°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#331D77
RGB	rgb(51, 29, 119)
HSL	hsl(255, 61%, 29%)
HSV	hsv(255, 76%, 47%)
CMYK	cmyk(57.1%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(19.70, 35.13, -47.69)
CIE-LCH	lch(19.70, 59.23, 306.38°)
OKLab	oklab(32.32% 0.0407 -0.1372)
OKLCH	oklch(32.32% 0.143 286.5)
XYZ	xyz(5.1334, 2.9142, 17.7412)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D77 #61771D

analogous

#1D3477 #331D77 #601D77

triadic

#331D77 #77331D #1D7733

tetradic

#331D77 #771D34 #61771D #1D7760

square

#331D77 #771D34 #61771D #1D7760

split-complementary

#331D77 #77601D #34771D

monochromatic

#0B0619 #1E1146 #331D77 #4829A8 #623ED0

Accessibility & contrast

On white

13.27

#331D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D77

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D77	#FFFFFF	#000000	##FFFFFF
##331D77	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327A

Deuteranopia (green-blind)

#002D75

Tritanopia (blue-blind)

#153548

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331d77;
/* rgb */ color: rgb(51, 29, 119);
/* oklch */ color: oklch(32.3% 0.143 286.5);

Tailwind

colors: {
  custom: {
    50: '#735b9f',
    500: '#331d77',
    950: '#000000',
  },
}

SCSS

$custom: #331d77;
$custom-light: #735b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#331d77",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 254.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32324,
    "c": 0.14312,
    "h": 286.5
  },
  "luminance": 0.02914
}

Semantic roles & 50–950 ramp

primary

#331D77

secondary

#92AB45

accent

#E444BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331D77

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

Preview Lab → · Contrast checker → · Palette generator →