#331C7B#331C7B

#331C7B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.6% C 0.149 H 285.8°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#331C7B
RGB	rgb(51, 28, 123)
HSL	hsl(255, 63%, 30%)
HSV	hsv(255, 77%, 48%)
CMYK	cmyk(58.5%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(19.90, 36.94, -49.92)
CIE-LCH	lch(19.90, 62.10, 306.50°)
OKLab	oklab(32.59% 0.0406 -0.1437)
OKLCH	oklch(32.59% 0.149 285.8)
XYZ	xyz(5.3546, 2.9641, 19.0250)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C7B #647B1C

analogous

#1C357B #331C7B #631C7B

triadic

#331C7B #7B331C #1C7B33

tetradic

#331C7B #7B1C35 #647B1C #1C7B63

square

#331C7B #7B1C35 #647B1C #1C7B63

split-complementary

#331C7B #7B631C #357B1C

monochromatic

#0A0619 #1E1149 #331C7B #4827AD #623ED3

Accessibility & contrast

On white

13.18

#331C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C7B

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C7B	#FFFFFF	#000000	##FFFFFF
##331C7B	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002D79

Tritanopia (blue-blind)

#10364A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331c7b;
/* rgb */ color: rgb(51, 28, 123);
/* oklch */ color: oklch(32.6% 0.149 285.8);

Tailwind

colors: {
  custom: {
    50: '#745ba2',
    500: '#331c7b',
    950: '#000000',
  },
}

SCSS

$custom: #331c7b;
$custom-light: #745ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#331c7b",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 254.526,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32588,
    "c": 0.14931,
    "h": 285.8
  },
  "luminance": 0.02964
}

Semantic roles & 50–950 ramp

primary

#331C7B

secondary

#95AF44

accent

#E642BE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331C7B

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

Preview Lab → · Contrast checker → · Palette generator →