#331C75#331C75

#331C75 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.142 H 287.3°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#331C75
RGB	rgb(51, 28, 117)
HSL	hsl(256, 61%, 28%)
HSV	hsv(256, 76%, 46%)
CMYK	cmyk(56.4%, 76.1%, 0%, 54.1%)
CIE-LAB	lab(19.30, 35.07, -47.06)
CIE-LCH	lch(19.30, 58.68, 306.69°)
OKLab	oklab(31.98% 0.0421 -0.1353)
OKLCH	oklch(31.98% 0.142 287.3)
XYZ	xyz(4.9904, 2.8184, 17.1072)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C75 #5E751C

analogous

#1C3175 #331C75 #5F1C75

triadic

#331C75 #75331C #1C7533

tetradic

#331C75 #751C31 #5E751C #1C755F

square

#331C75 #751C31 #5E751C #1C755F

split-complementary

#331C75 #755F1C #31751C

monochromatic

#0B0619 #1D1044 #331C75 #4928A6 #623BD0

Accessibility & contrast

On white

13.43

#331C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C75

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C75	#FFFFFF	#000000	##FFFFFF
##331C75	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003178

Deuteranopia (green-blind)

#002C73

Tritanopia (blue-blind)

#183447

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331c75;
/* rgb */ color: rgb(51, 28, 117);
/* oklch */ color: oklch(32.0% 0.142 287.3);

Tailwind

colors: {
  custom: {
    50: '#735b9e',
    500: '#331c75',
    950: '#000000',
  },
}

SCSS

$custom: #331c75;
$custom-light: #735b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#331c75",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 117
  },
  "hsl": {
    "h": 255.506,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31984,
    "c": 0.14173,
    "h": 287.3
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#331C75

secondary

#8FA944

accent

#E443BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #331C75

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

Preview Lab → · Contrast checker → · Palette generator →