#331D55#331D55

#331D55 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.2% C 0.098 H 298.2°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#331D55
RGB	rgb(51, 29, 85)
HSL	hsl(264, 49%, 22%)
HSV	hsv(264, 66%, 33%)
CMYK	cmyk(40%, 65.9%, 0%, 66.7%)
CIE-LAB	lab(16.69, 24.54, -30.25)
CIE-LCH	lch(16.69, 38.95, 309.05°)
OKLab	oklab(29.23% 0.0461 -0.086)
OKLCH	oklch(29.23% 0.098 298.2)
XYZ	xyz(3.4439, 2.2384, 8.8432)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D55 #3F551D

analogous

#1D2355 #331D55 #4F1D55

triadic

#331D55 #55331D #1D5533

tetradic

#331D55 #551D23 #3F551D #1D554F

square

#331D55 #551D23 #3F551D #1D554F

split-complementary

#331D55 #554F1D #23551D

monochromatic

#0E0817 #180D27 #331D55 #4E2D83 #6A3CB0

Accessibility & contrast

On white

14.51

#331D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D55

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D55	#FFFFFF	#000000	##FFFFFF
##331D55	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#072954

Tritanopia (blue-blind)

#2B2936

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331d55;
/* rgb */ color: rgb(51, 29, 85);
/* oklch */ color: oklch(29.2% 0.098 298.2);

Tailwind

colors: {
  custom: {
    50: '#6e5a85',
    500: '#331d55',
    950: '#000000',
  },
}

SCSS

$custom: #331d55;
$custom-light: #6e5a85;
$custom-dark: #000000;

JSON

{
  "hex": "#331d55",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 85
  },
  "hsl": {
    "h": 263.571,
    "s": 49.123,
    "l": 22.353
  },
  "oklch": {
    "l": 0.29231,
    "c": 0.09757,
    "h": 298.2
  },
  "luminance": 0.02238
}

Semantic roles & 50–950 ramp

primary

#331D55

secondary

#6E8A44

accent

#D94FA3

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331D55

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

Preview Lab → · Contrast checker → · Palette generator →