#331B38#331B38

#331B38 is a dark, moderate purple. Relative luminance 0.018; OKLCH L 26.8% C 0.061 H 320.5°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#331B38
RGB	rgb(51, 27, 56)
HSL	hsl(290, 35%, 16%)
HSV	hsv(290, 52%, 22%)
CMYK	cmyk(8.9%, 51.8%, 0%, 78%)
CIE-LAB	lab(14.25, 17.73, -14.07)
CIE-LCH	lch(14.25, 22.64, 321.57°)
OKLab	oklab(26.8% 0.0471 -0.0388)
OKLCH	oklch(26.8% 0.061 320.5)
XYZ	xyz(2.4709, 1.7733, 3.9527)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B38 #20381B

analogous

#251B38 #331B38 #381B2F

triadic

#331B38 #38331B #1B3833

tetradic

#331B38 #38251B #20381B #1B2F38

square

#331B38 #38251B #20381B #1B2F38

split-complementary

#331B38 #2F381B #1B3825

monochromatic

#130A15 #130A15 #331B38 #592F61 #7E438B

Accessibility & contrast

On white

15.50

#331B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#331B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B38

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B38	#FFFFFF	#000000	##FFFFFF
##331B38	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172239

Deuteranopia (green-blind)

#1D2537

Tritanopia (blue-blind)

#331F26

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331b38;
/* rgb */ color: rgb(51, 27, 56);
/* oklch */ color: oklch(26.8% 0.061 320.5);

Tailwind

colors: {
  custom: {
    50: '#6b586e',
    500: '#331b38',
    950: '#000000',
  },
}

SCSS

$custom: #331b38;
$custom-light: #6b586e;
$custom-dark: #000000;

JSON

{
  "hex": "#331b38",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 56
  },
  "hsl": {
    "h": 289.655,
    "s": 34.94,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26803,
    "c": 0.06098,
    "h": 320.5
  },
  "luminance": 0.01773
}

Semantic roles & 50–950 ramp

primary

#331B38

secondary

#496D42

accent

#CB5D70

background

#F6F5F6

surface

#EBE9EC

border

#C6C5C7

text

#070307

muted

#7A787A

Preview Lab

Preview with #331B38

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

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