#331D9C#331D9C

#331D9C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.188 H 279.3°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#331D9C
RGB	rgb(51, 29, 156)
HSL	hsl(250, 69%, 36%)
HSV	hsv(250, 81%, 61%)
CMYK	cmyk(67.3%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(23.61, 46.57, -64.40)
CIE-LCH	lch(23.61, 79.47, 305.87°)
OKLab	oklab(36.24% 0.0303 -0.186)
OKLCH	oklch(36.24% 0.188 279.3)
XYZ	xyz(7.8034, 3.9822, 31.8035)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D9C #869C1D

analogous

#1D479C #331D9C #731D9C

triadic

#331D9C #9C331D #1D9C33

tetradic

#331D9C #9C1D47 #869C1D #1D9C73

square

#331D9C #9C1D47 #869C1D #1D9C73

split-complementary

#331D9C #9C731D #479C1D

monochromatic

#110A35 #221368 #331D9C #4427D0 #6C54DF

Accessibility & contrast

On white

11.69

#331D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#331D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D9C

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D9C	#FFFFFF	#000000	##FFFFFF
##331D9C	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00339A

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #331d9c;
/* rgb */ color: rgb(51, 29, 156);
/* oklch */ color: oklch(36.2% 0.188 279.3);

Tailwind

colors: {
  custom: {
    50: '#7a5eba',
    500: '#331d9c',
    950: '#000000',
  },
}

SCSS

$custom: #331d9c;
$custom-light: #7a5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#331d9c",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 250.394,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36237,
    "c": 0.18842,
    "h": 279.3
  },
  "luminance": 0.03983
}

Semantic roles & 50–950 ramp

primary

#331D9C

secondary

#AFC252

accent

#EB3CCD

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331D9C

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

Preview Lab → · Contrast checker → · Palette generator →