#331C9D#331C9D

#331C9D is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.190 H 279.2°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#331C9D
RGB	rgb(51, 28, 157)
HSL	hsl(251, 70%, 36%)
HSV	hsv(251, 82%, 62%)
CMYK	cmyk(67.5%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(23.57, 47.34, -65.09)
CIE-LCH	lch(23.57, 80.48, 306.03°)
OKLab	oklab(36.24% 0.0305 -0.188)
OKLCH	oklch(36.24% 0.19 279.2)
XYZ	xyz(7.8643, 3.9680, 32.2432)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C9D #869D1C

analogous

#1C469D #331C9D #741C9D

triadic

#331C9D #9D331C #1C9D33

tetradic

#331C9D #9D1C46 #869D1C #1C9D74

square

#331C9D #9D1C46 #869D1C #1C9D74

split-complementary

#331C9D #9D741C #469D1C

monochromatic

#110935 #221369 #331C9D #4425D1 #6C53E0

Accessibility & contrast

On white

11.71

#331C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#331C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C9D

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C9D	#FFFFFF	#000000	##FFFFFF
##331C9D	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA1

Deuteranopia (green-blind)

#00339B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #331c9d;
/* rgb */ color: rgb(51, 28, 157);
/* oklch */ color: oklch(36.2% 0.190 279.2);

Tailwind

colors: {
  custom: {
    50: '#7b5dbb',
    500: '#331c9d',
    950: '#000000',
  },
}

SCSS

$custom: #331c9d;
$custom-light: #7b5dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#331c9d",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 250.698,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36237,
    "c": 0.19041,
    "h": 279.2
  },
  "luminance": 0.03969
}

Semantic roles & 50–950 ramp

primary

#331C9D

secondary

#AFC351

accent

#ED3BCD

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331C9D

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

Preview Lab → · Contrast checker → · Palette generator →