#331B33#331B33

#331B33 is a dark, muted purple. Relative luminance 0.017; OKLCH L 26.5% C 0.055 H 327.0°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#331B33
RGB	rgb(51, 27, 51)
HSL	hsl(300, 31%, 15%)
HSV	hsv(300, 47%, 20%)
CMYK	cmyk(0%, 47.1%, 0%, 80%)
CIE-LAB	lab(13.98, 16.52, -10.92)
CIE-LCH	lch(13.98, 19.80, 326.55°)
OKLab	oklab(26.52% 0.0458 -0.0298)
OKLCH	oklch(26.52% 0.055 327)
XYZ	xyz(2.3547, 1.7268, 3.3406)
Luminance	0.0173 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B33 #1B331B

analogous

#271B33 #331B33 #331B27

triadic

#331B33 #33331B #1B3333

tetradic

#331B33 #33271B #1B331B #1B2733

square

#331B33 #33271B #1B331B #1B2733

split-complementary

#331B33 #27331B #1B3327

monochromatic

#140B14 #140B14 #331B33 #5B305B #834583

Accessibility & contrast

On white

15.61

#331B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#331B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B33

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B33	#FFFFFF	#000000	##FFFFFF
##331B33	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192234

Deuteranopia (green-blind)

#1F2532

Tritanopia (blue-blind)

#341D24

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331b33;
/* rgb */ color: rgb(51, 27, 51);
/* oklch */ color: oklch(26.5% 0.055 327.0);

Tailwind

colors: {
  custom: {
    50: '#6b586a',
    500: '#331b33',
    950: '#000000',
  },
}

SCSS

$custom: #331b33;
$custom-light: #6b586a;
$custom-dark: #000000;

JSON

{
  "hex": "#331b33",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 300,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26516,
    "c": 0.05463,
    "h": 327
  },
  "luminance": 0.01727
}

Semantic roles & 50–950 ramp

primary

#331B33

secondary

#436743

accent

#C76161

background

#F6F5F6

surface

#EBE9EB

border

#C6C5C6

text

#070306

muted

#7A787A

Preview Lab

Preview with #331B33

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

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