#331BA6#331BA6

#331BA6 is a dark, highly saturated violet. Relative luminance 0.042; OKLCH L 37.1% C 0.202 H 278.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#331BA6
RGB	rgb(51, 27, 166)
HSL	hsl(250, 72%, 38%)
HSV	hsv(250, 84%, 65%)
CMYK	cmyk(69.3%, 83.7%, 0%, 34.9%)
CIE-LAB	lab(24.45, 50.45, -69.11)
CIE-LCH	lch(24.45, 85.56, 306.13°)
OKLab	oklab(37.15% 0.0281 -0.1996)
OKLCH	oklch(37.15% 0.202 278)
XYZ	xyz(8.6379, 4.2401, 36.4322)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331BA6 #8EA61B

analogous

#1B48A6 #331BA6 #791BA6

triadic

#331BA6 #A6331B #1BA633

tetradic

#331BA6 #A61B48 #8EA61B #1BA679

square

#331BA6 #A61B48 #8EA61B #1BA679

split-complementary

#331BA6 #A6791B #48A61B

monochromatic

#130A3D #231271 #331BA6 #4324DB #7058E4

Accessibility & contrast

On white

11.36

#331BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#331BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331BA6

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331BA6	#FFFFFF	#000000	##FFFFFF
##331BA6	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAA

Deuteranopia (green-blind)

#0034A4

Tritanopia (blue-blind)

#004763

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #331ba6;
/* rgb */ color: rgb(51, 27, 166);
/* oklch */ color: oklch(37.1% 0.202 278.0);

Tailwind

colors: {
  custom: {
    50: '#7d5dc2',
    500: '#331ba6',
    950: '#000000',
  },
}

SCSS

$custom: #331ba6;
$custom-light: #7d5dc2;
$custom-dark: #000000;

JSON

{
  "hex": "#331ba6",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 166
  },
  "hsl": {
    "h": 250.36,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3715,
    "c": 0.20157,
    "h": 278
  },
  "luminance": 0.04241
}

Semantic roles & 50–950 ramp

primary

#331BA6

secondary

#B4C756

accent

#EF39CF

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #331BA6

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

Preview Lab → · Contrast checker → · Palette generator →