#331D4D#331D4D

#331D4D is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.6% C 0.086 H 302.4°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#331D4D
RGB	rgb(51, 29, 77)
HSL	hsl(268, 45%, 21%)
HSV	hsv(268, 62%, 30%)
CMYK	cmyk(33.8%, 62.3%, 0%, 69.8%)
CIE-LAB	lab(16.10, 22.15, -25.77)
CIE-LCH	lch(16.10, 33.99, 310.68°)
OKLab	oklab(28.61% 0.0463 -0.0728)
OKLCH	oklch(28.61% 0.086 302.4)
XYZ	xyz(3.1439, 2.1184, 7.2630)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D4D #374D1D

analogous

#1D1F4D #331D4D #4B1D4D

triadic

#331D4D #4D331D #1D4D33

tetradic

#331D4D #4D1D1F #374D1D #1D4D4B

square

#331D4D #4D1D1F #374D1D #1D4D4B

split-complementary

#331D4D #4D4B1D #1F4D1D

monochromatic

#0F0816 #160C21 #331D4D #502E79 #6E3EA6

Accessibility & contrast

On white

14.75

#331D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#331D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D4D

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D4D	#FFFFFF	#000000	##FFFFFF
##331D4D	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09284F

Deuteranopia (green-blind)

#11284C

Tritanopia (blue-blind)

#2E2631

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331d4d;
/* rgb */ color: rgb(51, 29, 77);
/* oklch */ color: oklch(28.6% 0.086 302.4);

Tailwind

colors: {
  custom: {
    50: '#6d5a7f',
    500: '#331d4d',
    950: '#000000',
  },
}

SCSS

$custom: #331d4d;
$custom-light: #6d5a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#331d4d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 77
  },
  "hsl": {
    "h": 267.5,
    "s": 45.283,
    "l": 20.784
  },
  "oklch": {
    "l": 0.28605,
    "c": 0.08627,
    "h": 302.4
  },
  "luminance": 0.02118
}

Semantic roles & 50–950 ramp

primary

#331D4D

secondary

#668244

accent

#D55399

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#07040A

muted

#7A797C

Preview Lab

Preview with #331D4D

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

Preview Lab → · Contrast checker → · Palette generator →