#331CA0#331CA0

#331CA0 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.194 H 278.8°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#331CA0
RGB	rgb(51, 28, 160)
HSL	hsl(250, 70%, 37%)
HSV	hsv(250, 83%, 63%)
CMYK	cmyk(68.1%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(23.91, 48.23, -66.36)
CIE-LCH	lch(23.91, 82.04, 306.01°)
OKLab	oklab(36.57% 0.0295 -0.1916)
OKLCH	oklch(36.57% 0.194 278.8)
XYZ	xyz(8.1236, 4.0717, 33.6087)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331CA0 #89A01C

analogous

#1C47A0 #331CA0 #751CA0

triadic

#331CA0 #A0331C #1CA033

tetradic

#331CA0 #A01C47 #89A01C #1CA075

square

#331CA0 #A01C47 #89A01C #1CA075

split-complementary

#331CA0 #A0751C #47A01C

monochromatic

#120A38 #22136C #331CA0 #4425D4 #6E55E1

Accessibility & contrast

On white

11.57

#331CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#331CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331CA0

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331CA0	#FFFFFF	#000000	##FFFFFF
##331CA0	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA4

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331ca0;
/* rgb */ color: rgb(51, 28, 160);
/* oklch */ color: oklch(36.6% 0.194 278.8);

Tailwind

colors: {
  custom: {
    50: '#7b5dbd',
    500: '#331ca0',
    950: '#000000',
  },
}

SCSS

$custom: #331ca0;
$custom-light: #7b5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#331ca0",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 250.455,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36573,
    "c": 0.19391,
    "h": 278.8
  },
  "luminance": 0.04072
}

Semantic roles & 50–950 ramp

primary

#331CA0

secondary

#B1C453

accent

#ED3BCE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331CA0

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

Preview Lab → · Contrast checker → · Palette generator →