#331C52#331C52

#331C52 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.8% C 0.095 H 300.1°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#331C52
RGB	rgb(51, 28, 82)
HSL	hsl(266, 49%, 22%)
HSV	hsv(266, 66%, 32%)
CMYK	cmyk(37.8%, 65.9%, 0%, 67.8%)
CIE-LAB	lab(16.22, 24.27, -28.97)
CIE-LCH	lch(16.22, 37.80, 309.96°)
OKLab	oklab(28.82% 0.0477 -0.0822)
OKLCH	oklch(28.82% 0.095 300.1)
XYZ	xyz(3.3031, 2.1435, 8.2207)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C52 #3B521C

analogous

#1C2052 #331C52 #4E1C52

triadic

#331C52 #52331C #1C5233

tetradic

#331C52 #521C20 #3B521C #1C524E

square

#331C52 #521C20 #3B521C #1C524E

split-complementary

#331C52 #524E1C #20521C

monochromatic

#0E0817 #170C24 #331C52 #4F2C80 #6C3BAD

Accessibility & contrast

On white

14.70

#331C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#331C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C52

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C52	#FFFFFF	#000000	##FFFFFF
##331C52	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002854

Deuteranopia (green-blind)

#0A2851

Tritanopia (blue-blind)

#2C2734

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331c52;
/* rgb */ color: rgb(51, 28, 82);
/* oklch */ color: oklch(28.8% 0.095 300.1);

Tailwind

colors: {
  custom: {
    50: '#6d5983',
    500: '#331c52',
    950: '#000000',
  },
}

SCSS

$custom: #331c52;
$custom-light: #6d5983;
$custom-dark: #000000;

JSON

{
  "hex": "#331c52",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 82
  },
  "hsl": {
    "h": 265.556,
    "s": 49.091,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28816,
    "c": 0.09503,
    "h": 300.1
  },
  "luminance": 0.02144
}

Semantic roles & 50–950 ramp

primary

#331C52

secondary

#6A8842

accent

#D94F9E

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331C52

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

Preview Lab → · Contrast checker → · Palette generator →