#331CA7#331CA7

#331CA7 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.4% C 0.202 H 277.8°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#331CA7
RGB	rgb(51, 28, 167)
HSL	hsl(250, 71%, 38%)
HSV	hsv(250, 83%, 65%)
CMYK	cmyk(69.5%, 83.2%, 0%, 34.5%)
CIE-LAB	lab(24.71, 50.31, -69.27)
CIE-LCH	lch(24.71, 85.61, 305.99°)
OKLab	oklab(37.36% 0.0273 -0.2001)
OKLCH	oklch(37.36% 0.202 277.8)
XYZ	xyz(8.7533, 4.3236, 36.9250)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331CA7 #90A71C

analogous

#1C4AA7 #331CA7 #781CA7

triadic

#331CA7 #A7331C #1CA733

tetradic

#331CA7 #A71C4A #90A71C #1CA778

square

#331CA7 #A71C4A #90A71C #1CA778

split-complementary

#331CA7 #A7781C #4AA71C

monochromatic

#130A3E #231373 #331CA7 #4426DB #715AE3

Accessibility & contrast

On white

11.26

#331CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#331CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331CA7

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331CA7	#FFFFFF	#000000	##FFFFFF
##331CA7	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0035A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #331ca7;
/* rgb */ color: rgb(51, 28, 167);
/* oklch */ color: oklch(37.4% 0.202 277.8);

Tailwind

colors: {
  custom: {
    50: '#7d5ec3',
    500: '#331ca7',
    950: '#000000',
  },
}

SCSS

$custom: #331ca7;
$custom-light: #7d5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#331ca7",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 167
  },
  "hsl": {
    "h": 249.928,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37365,
    "c": 0.20198,
    "h": 277.8
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#331CA7

secondary

#B5C758

accent

#EE3AD0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #331CA7

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

Preview Lab → · Contrast checker → · Palette generator →