#331A3F#331A3F

#331A3F is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.1% C 0.072 H 313.7°. Best body text is #FFFFFF at 15.44:1 contrast (WCAG AA passes).

Color values

HEX	#331A3F
RGB	rgb(51, 26, 63)
HSL	hsl(281, 42%, 17%)
HSV	hsv(281, 59%, 25%)
CMYK	cmyk(19%, 58.7%, 0%, 75.3%)
CIE-LAB	lab(14.41, 20.19, -18.76)
CIE-LCH	lch(14.41, 27.56, 317.10°)
OKLab	oklab(27.06% 0.05 -0.0523)
OKLCH	oklch(27.06% 0.072 313.7)
XYZ	xyz(2.6317, 1.8015, 4.9108)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A3F #263F1A

analogous

#211A3F #331A3F #3F1A38

triadic

#331A3F #3F331A #1A3F33

tetradic

#331A3F #3F211A #263F1A #1A383F

square

#331A3F #3F211A #263F1A #1A383F

split-complementary

#331A3F #383F1A #1A3F21

monochromatic

#120916 #120916 #331A3F #562C6A #793E96

Accessibility & contrast

On white

15.44

#331A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#331A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A3F

15.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A3F	#FFFFFF	#000000	##FFFFFF
##331A3F	1.00	15.44	1.36	15.44
#FFFFFF	15.44	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112340

Deuteranopia (green-blind)

#19253E

Tritanopia (blue-blind)

#322029

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331a3f;
/* rgb */ color: rgb(51, 26, 63);
/* oklch */ color: oklch(27.1% 0.072 313.7);

Tailwind

colors: {
  custom: {
    50: '#6c5774',
    500: '#331a3f',
    950: '#000000',
  },
}

SCSS

$custom: #331a3f;
$custom-light: #6c5774;
$custom-dark: #000000;

JSON

{
  "hex": "#331a3f",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 63
  },
  "hsl": {
    "h": 280.541,
    "s": 41.573,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27057,
    "c": 0.0724,
    "h": 313.7
  },
  "luminance": 0.01801
}

Semantic roles & 50–950 ramp

primary

#331A3F

secondary

#517540

accent

#D1567E

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331A3F

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

Preview Lab → · Contrast checker → · Palette generator →