#331C7E#331C7E

#331C7E is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.153 H 285.0°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#331C7E
RGB	rgb(51, 28, 126)
HSL	hsl(254, 64%, 30%)
HSV	hsv(254, 78%, 49%)
CMYK	cmyk(59.5%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(20.20, 37.87, -51.32)
CIE-LCH	lch(20.20, 63.78, 306.42°)
OKLab	oklab(32.9% 0.0397 -0.1478)
OKLCH	oklch(32.9% 0.153 285)
XYZ	xyz(5.5452, 3.0403, 20.0293)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C7E #677E1C

analogous

#1C367E #331C7E #641C7E

triadic

#331C7E #7E331C #1C7E33

tetradic

#331C7E #7E1C36 #677E1C #1C7E64

square

#331C7E #7E1C36 #677E1C #1C7E64

split-complementary

#331C7E #7E641C #367E1C

monochromatic

#0A061A #1F114C #331C7E #4727B0 #6340D5

Accessibility & contrast

On white

13.06

#331C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C7E

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C7E	#FFFFFF	#000000	##FFFFFF
##331C7E	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#0B384C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331c7e;
/* rgb */ color: rgb(51, 28, 126);
/* oklch */ color: oklch(32.9% 0.153 285.0);

Tailwind

colors: {
  custom: {
    50: '#745ba4',
    500: '#331c7e',
    950: '#000000',
  },
}

SCSS

$custom: #331c7e;
$custom-light: #745ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#331c7e",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 254.082,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32896,
    "c": 0.15307,
    "h": 285
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary

#331C7E

secondary

#98B244

accent

#E741C0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331C7E

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

Preview Lab → · Contrast checker → · Palette generator →