#331381#331381

#331381 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.2% C 0.165 H 285.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#331381
RGB	rgb(51, 19, 129)
HSL	hsl(257, 74%, 29%)
HSV	hsv(257, 85%, 51%)
CMYK	cmyk(60.5%, 85.3%, 0%, 49.4%)
CIE-LAB	lab(19.03, 43.09, -55.16)
CIE-LCH	lch(19.03, 70.00, 308.00°)
OKLab	oklab(32.18% 0.0448 -0.1589)
OKLCH	oklch(32.18% 0.165 285.7)
XYZ	xyz(5.5594, 2.7542, 21.0033)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331381 #618113

analogous

#132A81 #331381 #6A1381

triadic

#331381 #813313 #138133

tetradic

#331381 #81132A #618113 #13816A

square

#331381 #81132A #618113 #13816A

split-complementary

#331381 #816A13 #2A8113

monochromatic

#0B041B #1E0B4C #331381 #481BB6 #622EE0

Accessibility & contrast

On white

13.54

#331381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331381

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331381	#FFFFFF	#000000	##FFFFFF
##331381	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#002B7F

Tritanopia (blue-blind)

#06354C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331381;
/* rgb */ color: rgb(51, 19, 129);
/* oklch */ color: oklch(32.2% 0.165 285.7);

Tailwind

colors: {
  custom: {
    50: '#7657a7',
    500: '#331381',
    950: '#000000',
  },
}

SCSS

$custom: #331381;
$custom-light: #7657a7;
$custom-dark: #000000;

JSON

{
  "hex": "#331381",
  "rgb": {
    "r": 51,
    "g": 19,
    "b": 129
  },
  "hsl": {
    "h": 257.455,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32176,
    "c": 0.16511,
    "h": 285.7
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#331381

secondary

#92B63A

accent

#F137BB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #331381

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

Preview Lab → · Contrast checker → · Palette generator →