#331D6F#331D6F

#331D6F is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.133 H 288.7°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#331D6F
RGB	rgb(51, 29, 111)
HSL	hsl(256, 59%, 27%)
HSV	hsv(256, 74%, 44%)
CMYK	cmyk(54.1%, 73.9%, 0%, 56.5%)
CIE-LAB	lab(18.93, 32.62, -43.79)
CIE-LCH	lch(18.93, 54.61, 306.68°)
OKLab	oklab(31.54% 0.0426 -0.1258)
OKLCH	oklch(31.54% 0.133 288.7)
XYZ	xyz(4.6730, 2.7300, 15.3166)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D6F #596F1D

analogous

#1D306F #331D6F #5C1D6F

triadic

#331D6F #6F331D #1D6F33

tetradic

#331D6F #6F1D30 #596F1D #1D6F5C

square

#331D6F #6F1D30 #596F1D #1D6F5C

split-complementary

#331D6F #6F5C1D #306F1D

monochromatic

#0B0618 #1D103E #331D6F #492AA0 #623BCC

Accessibility & contrast

On white

13.58

#331D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D6F

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D6F	#FFFFFF	#000000	##FFFFFF
##331D6F	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003071

Deuteranopia (green-blind)

#002C6D

Tritanopia (blue-blind)

#1D3243

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331d6f;
/* rgb */ color: rgb(51, 29, 111);
/* oklch */ color: oklch(31.5% 0.133 288.7);

Tailwind

colors: {
  custom: {
    50: '#725b99',
    500: '#331d6f',
    950: '#000000',
  },
}

SCSS

$custom: #331d6f;
$custom-light: #725b99;
$custom-dark: #000000;

JSON

{
  "hex": "#331d6f",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 111
  },
  "hsl": {
    "h": 256.098,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31542,
    "c": 0.13277,
    "h": 288.7
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#331D6F

secondary

#8AA344

accent

#E246B8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331D6F

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

Preview Lab → · Contrast checker → · Palette generator →