#331C8B#331C8B

#331C8B is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.3% C 0.169 H 282.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#331C8B
RGB	rgb(51, 28, 139)
HSL	hsl(252, 66%, 33%)
HSV	hsv(252, 80%, 55%)
CMYK	cmyk(63.3%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(21.57, 41.88, -57.26)
CIE-LCH	lch(21.57, 70.94, 306.18°)
OKLab	oklab(34.26% 0.036 -0.1651)
OKLCH	oklch(34.26% 0.169 282.3)
XYZ	xyz(6.4392, 3.3979, 24.7376)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C8B #748B1C

analogous

#1C3D8B #331C8B #6A1C8B

triadic

#331C8B #8B331C #1C8B33

tetradic

#331C8B #8B1C3D #748B1C #1C8B6A

square

#331C8B #8B1C3D #748B1C #1C8B6A

split-complementary

#331C8B #8B6A1C #3D8B1C

monochromatic

#0E0725 #201258 #331C8B #4626BE #6647DA

Accessibility & contrast

On white

12.50

#331C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#331C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C8B

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C8B	#FFFFFF	#000000	##FFFFFF
##331C8B	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#003089

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331c8b;
/* rgb */ color: rgb(51, 28, 139);
/* oklch */ color: oklch(34.3% 0.169 282.3);

Tailwind

colors: {
  custom: {
    50: '#775cae',
    500: '#331c8b',
    950: '#000000',
  },
}

SCSS

$custom: #331c8b;
$custom-light: #775cae;
$custom-dark: #000000;

JSON

{
  "hex": "#331c8b",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 252.432,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34263,
    "c": 0.16903,
    "h": 282.3
  },
  "luminance": 0.03398
}

Semantic roles & 50–950 ramp

primary

#331C8B

secondary

#A4BC47

accent

#E93EC6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331C8B

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

Preview Lab → · Contrast checker → · Palette generator →