#331D40#331D40

#331D40 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.7% C 0.068 H 311.7°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#331D40
RGB	rgb(51, 29, 64)
HSL	hsl(278, 38%, 18%)
HSV	hsv(278, 55%, 25%)
CMYK	cmyk(20.3%, 54.7%, 0%, 74.9%)
CIE-LAB	lab(15.24, 18.48, -18.15)
CIE-LCH	lch(15.24, 25.90, 315.51°)
OKLab	oklab(27.69% 0.0451 -0.0506)
OKLCH	oklch(27.69% 0.068 311.7)
XYZ	xyz(2.7299, 1.9528, 5.0826)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D40 #2A401D

analogous

#211D40 #331D40 #401D3B

triadic

#331D40 #40331D #1D4033

tetradic

#331D40 #40211D #2A401D #1D3B40

square

#331D40 #40211D #2A401D #1D3B40

split-complementary

#331D40 #3B401D #1D4021

monochromatic

#110A15 #110A16 #331D40 #55306A #764394

Accessibility & contrast

On white

15.10

#331D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D40

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D40	#FFFFFF	#000000	##FFFFFF
##331D40	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152541

Deuteranopia (green-blind)

#1B273F

Tritanopia (blue-blind)

#32232B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331d40;
/* rgb */ color: rgb(51, 29, 64);
/* oklch */ color: oklch(27.7% 0.068 311.7);

Tailwind

colors: {
  custom: {
    50: '#6c5975',
    500: '#331d40',
    950: '#000000',
  },
}

SCSS

$custom: #331d40;
$custom-light: #6c5975;
$custom-dark: #000000;

JSON

{
  "hex": "#331d40",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 64
  },
  "hsl": {
    "h": 277.714,
    "s": 37.634,
    "l": 18.235
  },
  "oklch": {
    "l": 0.27691,
    "c": 0.06775,
    "h": 311.7
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#331D40

secondary

#567544

accent

#CE5A85

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331D40

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

Preview Lab → · Contrast checker → · Palette generator →