#331AA0#331AA0

#331AA0 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.195 H 278.9°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#331AA0
RGB	rgb(51, 26, 160)
HSL	hsl(251, 72%, 36%)
HSV	hsv(251, 84%, 63%)
CMYK	cmyk(68.1%, 83.8%, 0%, 37.3%)
CIE-LAB	lab(23.61, 49.12, -66.86)
CIE-LCH	lch(23.61, 82.96, 306.30°)
OKLab	oklab(36.36% 0.0304 -0.1931)
OKLCH	oklch(36.36% 0.195 278.9)
XYZ	xyz(8.0778, 3.9800, 33.5934)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331AA0 #87A01A

analogous

#1A44A0 #331AA0 #761AA0

triadic

#331AA0 #A0331A #1AA033

tetradic

#331AA0 #A01A44 #87A01A #1AA076

square

#331AA0 #A01A44 #87A01A #1AA076

split-complementary

#331AA0 #A0761A #44A01A

monochromatic

#110937 #22116B #331AA0 #4423D5 #6D52E3

Accessibility & contrast

On white

11.69

#331AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#331AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331AA0

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331AA0	#FFFFFF	#000000	##FFFFFF
##331AA0	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #331aa0;
/* rgb */ color: rgb(51, 26, 160);
/* oklch */ color: oklch(36.4% 0.195 278.9);

Tailwind

colors: {
  custom: {
    50: '#7c5cbd',
    500: '#331aa0',
    950: '#000000',
  },
}

SCSS

$custom: #331aa0;
$custom-light: #7c5cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#331aa0",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 160
  },
  "hsl": {
    "h": 251.194,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36365,
    "c": 0.19545,
    "h": 278.9
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#331AA0

secondary

#B0C550

accent

#EF39CD

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331AA0

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

Preview Lab → · Contrast checker → · Palette generator →