#331C6F#331C6F

#331C6F is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.134 H 289.0°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#331C6F
RGB	rgb(51, 28, 111)
HSL	hsl(257, 60%, 27%)
HSV	hsv(257, 75%, 44%)
CMYK	cmyk(54.1%, 74.8%, 0%, 56.5%)
CIE-LAB	lab(18.72, 33.19, -44.13)
CIE-LCH	lch(18.72, 55.22, 306.95°)
OKLab	oklab(31.4% 0.0435 -0.1268)
OKLCH	oklch(31.4% 0.134 289)
XYZ	xyz(4.6489, 2.6818, 15.3085)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C6F #586F1C

analogous

#1C2E6F #331C6F #5D1C6F

triadic

#331C6F #6F331C #1C6F33

tetradic

#331C6F #6F1C2E #586F1C #1C6F5D

square

#331C6F #6F1C2E #586F1C #1C6F5D

split-complementary

#331C6F #6F5D1C #2E6F1C

monochromatic

#0B0618 #1D103E #331C6F #4928A0 #6238CD

Accessibility & contrast

On white

13.67

#331C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C6F

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C6F	#FFFFFF	#000000	##FFFFFF
##331C6F	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#002B6D

Tritanopia (blue-blind)

#1D3243

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331c6f;
/* rgb */ color: rgb(51, 28, 111);
/* oklch */ color: oklch(31.4% 0.134 289.0);

Tailwind

colors: {
  custom: {
    50: '#725a99',
    500: '#331c6f',
    950: '#000000',
  },
}

SCSS

$custom: #331c6f;
$custom-light: #725a99;
$custom-dark: #000000;

JSON

{
  "hex": "#331c6f",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 111
  },
  "hsl": {
    "h": 256.627,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31395,
    "c": 0.13403,
    "h": 289
  },
  "luminance": 0.02682
}

Semantic roles & 50–950 ramp

primary

#331C6F

secondary

#89A443

accent

#E345B7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331C6F

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

Preview Lab → · Contrast checker → · Palette generator →