#331C80#331C80

#331C80 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.156 H 284.6°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#331C80
RGB	rgb(51, 28, 128)
HSL	hsl(254, 64%, 31%)
HSV	hsv(254, 78%, 50%)
CMYK	cmyk(60.2%, 78.1%, 0%, 49.8%)
CIE-LAB	lab(20.41, 38.49, -52.25)
CIE-LCH	lch(20.41, 64.90, 306.38°)
OKLab	oklab(33.1% 0.0392 -0.1505)
OKLCH	oklch(33.1% 0.156 284.6)
XYZ	xyz(5.6756, 3.0925, 20.7157)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C80 #69801C

analogous

#1C3780 #331C80 #651C80

triadic

#331C80 #80331C #1C8033

tetradic

#331C80 #801C37 #69801C #1C8065

square

#331C80 #801C37 #69801C #1C8065

split-complementary

#331C80 #80651C #37801C

monochromatic

#0B061C #1F114E #331C80 #4727B2 #6341D5

Accessibility & contrast

On white

12.97

#331C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#331C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C80

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C80	#FFFFFF	#000000	##FFFFFF
##331C80	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003483

Deuteranopia (green-blind)

#002E7E

Tritanopia (blue-blind)

#07384D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331c80;
/* rgb */ color: rgb(51, 28, 128);
/* oklch */ color: oklch(33.1% 0.156 284.6);

Tailwind

colors: {
  custom: {
    50: '#755ba6',
    500: '#331c80',
    950: '#000000',
  },
}

SCSS

$custom: #331c80;
$custom-light: #755ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#331c80",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 128
  },
  "hsl": {
    "h": 253.8,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33102,
    "c": 0.15556,
    "h": 284.6
  },
  "luminance": 0.03093
}

Semantic roles & 50–950 ramp

primary

#331C80

secondary

#9AB344

accent

#E741C1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331C80

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

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