#331BA7#331BA7

#331BA7 is a dark, highly saturated violet. Relative luminance 0.043; OKLCH L 37.3% C 0.203 H 277.9°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#331BA7
RGB	rgb(51, 27, 167)
HSL	hsl(250, 72%, 38%)
HSV	hsv(250, 84%, 65%)
CMYK	cmyk(69.5%, 83.8%, 0%, 34.5%)
CIE-LAB	lab(24.57, 50.74, -69.52)
CIE-LCH	lch(24.57, 86.07, 306.12°)
OKLab	oklab(37.26% 0.0277 -0.2008)
OKLCH	oklch(37.26% 0.203 277.9)
XYZ	xyz(8.7300, 4.2769, 36.9172)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331BA7 #8FA71B

analogous

#1B49A7 #331BA7 #791BA7

triadic

#331BA7 #A7331B #1BA733

tetradic

#331BA7 #A71B49 #8FA71B #1BA779

square

#331BA7 #A71B49 #8FA71B #1BA779

split-complementary

#331BA7 #A7791B #49A71B

monochromatic

#130A3E #231272 #331BA7 #4324DC #7058E4

Accessibility & contrast

On white

11.32

#331BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#331BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331BA7

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331BA7	#FFFFFF	#000000	##FFFFFF
##331BA7	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0034A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #331ba7;
/* rgb */ color: rgb(51, 27, 167);
/* oklch */ color: oklch(37.3% 0.203 277.9);

Tailwind

colors: {
  custom: {
    50: '#7d5dc3',
    500: '#331ba7',
    950: '#000000',
  },
}

SCSS

$custom: #331ba7;
$custom-light: #7d5dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#331ba7",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 250.286,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37264,
    "c": 0.20272,
    "h": 277.9
  },
  "luminance": 0.04278
}

Semantic roles & 50–950 ramp

primary

#331BA7

secondary

#B4C856

accent

#EF39D0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #331BA7

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

Preview Lab → · Contrast checker → · Palette generator →