#331C7A#331C7A

#331C7A is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.148 H 286.0°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#331C7A
RGB	rgb(51, 28, 122)
HSL	hsl(255, 63%, 29%)
HSV	hsv(255, 77%, 48%)
CMYK	cmyk(58.2%, 77%, 0%, 52.2%)
CIE-LAB	lab(19.80, 36.62, -49.44)
CIE-LCH	lch(19.80, 61.53, 306.53°)
OKLab	oklab(32.49% 0.0408 -0.1423)
OKLCH	oklch(32.49% 0.148 286)
XYZ	xyz(5.2923, 2.9392, 18.6970)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C7A #637A1C

analogous

#1C347A #331C7A #621C7A

triadic

#331C7A #7A331C #1C7A33

tetradic

#331C7A #7A1C34 #637A1C #1C7A62

square

#331C7A #7A1C34 #637A1C #1C7A62

split-complementary

#331C7A #7A621C #347A1C

monochromatic

#0A0619 #1E1148 #331C7A #4827AC #623ED3

Accessibility & contrast

On white

13.23

#331C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C7A

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C7A	#FFFFFF	#000000	##FFFFFF
##331C7A	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#002D78

Tritanopia (blue-blind)

#123649

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331c7a;
/* rgb */ color: rgb(51, 28, 122);
/* oklch */ color: oklch(32.5% 0.148 286.0);

Tailwind

colors: {
  custom: {
    50: '#745ba1',
    500: '#331c7a',
    950: '#000000',
  },
}

SCSS

$custom: #331c7a;
$custom-light: #745ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#331c7a",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 122
  },
  "hsl": {
    "h": 254.681,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32487,
    "c": 0.14806,
    "h": 286
  },
  "luminance": 0.02939
}

Semantic roles & 50–950 ramp

primary

#331C7A

secondary

#94AE44

accent

#E642BE

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331C7A

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

Preview Lab → · Contrast checker → · Palette generator →