#331D8D#331D8D

#331D8D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.171 H 281.8°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#331D8D
RGB	rgb(51, 29, 141)
HSL	hsl(252, 66%, 33%)
HSV	hsv(252, 79%, 55%)
CMYK	cmyk(63.8%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(21.96, 41.99, -57.86)
CIE-LCH	lch(21.96, 71.49, 305.97°)
OKLab	oklab(34.6% 0.0348 -0.1669)
OKLCH	oklch(34.6% 0.171 281.8)
XYZ	xyz(6.6108, 3.5051, 25.5223)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D8D #778D1D

analogous

#1D3F8D #331D8D #6B1D8D

triadic

#331D8D #8D331D #1D8D33

tetradic

#331D8D #8D1D3F #778D1D #1D8D6B

square

#331D8D #8D1D3F #778D1D #1D8D6B

split-complementary

#331D8D #8D6B1D #3F8D1D

monochromatic

#0E0827 #21135A #331D8D #4527C0 #674BDA

Accessibility & contrast

On white

12.34

#331D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#331D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D8D

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D8D	#FFFFFF	#000000	##FFFFFF
##331D8D	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #331d8d;
/* rgb */ color: rgb(51, 29, 141);
/* oklch */ color: oklch(34.6% 0.171 281.8);

Tailwind

colors: {
  custom: {
    50: '#775daf',
    500: '#331d8d',
    950: '#000000',
  },
}

SCSS

$custom: #331d8d;
$custom-light: #775daf;
$custom-dark: #000000;

JSON

{
  "hex": "#331d8d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 251.786,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34601,
    "c": 0.1705,
    "h": 281.8
  },
  "luminance": 0.03506
}

Semantic roles & 50–950 ramp

primary

#331D8D

secondary

#A6BC4A

accent

#E93FC7

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331D8D

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

Preview Lab → · Contrast checker → · Palette generator →