#331D56#331D56

#331D56 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.3% C 0.099 H 297.8°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#331D56
RGB	rgb(51, 29, 86)
HSL	hsl(263, 50%, 23%)
HSV	hsv(263, 66%, 34%)
CMYK	cmyk(40.7%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(16.77, 24.84, -30.80)
CIE-LCH	lch(16.77, 39.57, 308.89°)
OKLab	oklab(29.31% 0.0461 -0.0876)
OKLCH	oklch(29.31% 0.099 297.8)
XYZ	xyz(3.4839, 2.2544, 9.0539)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D56 #40561D

analogous

#1D2356 #331D56 #4F1D56

triadic

#331D56 #56331D #1D5633

tetradic

#331D56 #561D23 #40561D #1D564F

square

#331D56 #561D23 #40561D #1D564F

split-complementary

#331D56 #564F1D #23561D

monochromatic

#0E0817 #180E28 #331D56 #4E2C84 #693CB2

Accessibility & contrast

On white

14.47

#331D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D56

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D56	#FFFFFF	#000000	##FFFFFF
##331D56	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A58

Deuteranopia (green-blind)

#052955

Tritanopia (blue-blind)

#2B2936

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331d56;
/* rgb */ color: rgb(51, 29, 86);
/* oklch */ color: oklch(29.3% 0.099 297.8);

Tailwind

colors: {
  custom: {
    50: '#6e5a86',
    500: '#331d56',
    950: '#000000',
  },
}

SCSS

$custom: #331d56;
$custom-light: #6e5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#331d56",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 263.158,
    "s": 49.565,
    "l": 22.549
  },
  "oklch": {
    "l": 0.29312,
    "c": 0.09896,
    "h": 297.8
  },
  "luminance": 0.02254
}

Semantic roles & 50–950 ramp

primary

#331D56

secondary

#708B44

accent

#D94FA4

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331D56

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

Preview Lab → · Contrast checker → · Palette generator →