#331C8D#331C8D

#331C8D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.171 H 281.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#331C8D
RGB	rgb(51, 28, 141)
HSL	hsl(252, 67%, 33%)
HSV	hsv(252, 80%, 55%)
CMYK	cmyk(63.8%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(21.79, 42.50, -58.15)
CIE-LCH	lch(21.79, 72.02, 306.16°)
OKLab	oklab(34.48% 0.0354 -0.1677)
OKLCH	oklch(34.48% 0.171 281.9)
XYZ	xyz(6.5867, 3.4569, 25.5143)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C8D #768D1C

analogous

#1C3E8D #331C8D #6B1C8D

triadic

#331C8D #8D331C #1C8D33

tetradic

#331C8D #8D1C3E #768D1C #1C8D6B

square

#331C8D #8D1C3E #768D1C #1C8D6B

split-complementary

#331C8D #8D6B1C #3E8D1C

monochromatic

#0E0827 #21125A #331C8D #4526C0 #6649DB

Accessibility & contrast

On white

12.42

#331C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C8D

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C8D	#FFFFFF	#000000	##FFFFFF
##331C8D	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331c8d;
/* rgb */ color: rgb(51, 28, 141);
/* oklch */ color: oklch(34.5% 0.171 281.9);

Tailwind

colors: {
  custom: {
    50: '#775caf',
    500: '#331c8d',
    950: '#000000',
  },
}

SCSS

$custom: #331c8d;
$custom-light: #775caf;
$custom-dark: #000000;

JSON

{
  "hex": "#331c8d",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 252.212,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34479,
    "c": 0.17144,
    "h": 281.9
  },
  "luminance": 0.03457
}

Semantic roles & 50–950 ramp

primary

#331C8D

secondary

#A5BD48

accent

#EA3EC7

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331C8D

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

Preview Lab → · Contrast checker → · Palette generator →