#331D8E#331D8E

#331D8E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.172 H 281.6°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#331D8E
RGB	rgb(51, 29, 142)
HSL	hsl(252, 66%, 34%)
HSV	hsv(252, 80%, 56%)
CMYK	cmyk(64.1%, 79.6%, 0%, 44.3%)
CIE-LAB	lab(22.07, 42.30, -58.31)
CIE-LCH	lch(22.07, 72.04, 305.96°)
OKLab	oklab(34.71% 0.0345 -0.1682)
OKLCH	oklch(34.71% 0.172 281.6)
XYZ	xyz(6.6856, 3.5350, 25.9160)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D8E #788E1D

analogous

#1D3F8E #331D8E #6B1D8E

triadic

#331D8E #8E331D #1D8E33

tetradic

#331D8E #8E1D3F #788E1D #1D8E6B

square

#331D8E #8E1D3F #788E1D #1D8E6B

split-complementary

#331D8E #8E6B1D #3F8E1D

monochromatic

#0E0828 #21135B #331D8E #4527C1 #674BDA

Accessibility & contrast

On white

12.30

#331D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#331D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D8E

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D8E	#FFFFFF	#000000	##FFFFFF
##331D8E	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #331d8e;
/* rgb */ color: rgb(51, 29, 142);
/* oklch */ color: oklch(34.7% 0.172 281.6);

Tailwind

colors: {
  custom: {
    50: '#785db0',
    500: '#331d8e',
    950: '#000000',
  },
}

SCSS

$custom: #331d8e;
$custom-light: #785db0;
$custom-dark: #000000;

JSON

{
  "hex": "#331d8e",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 142
  },
  "hsl": {
    "h": 251.681,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34708,
    "c": 0.17172,
    "h": 281.6
  },
  "luminance": 0.03536
}

Semantic roles & 50–950 ramp

primary

#331D8E

secondary

#A6BD4A

accent

#E93FC8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331D8E

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

Preview Lab → · Contrast checker → · Palette generator →