#331B41#331B41

#331B41 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.4% C 0.073 H 311.6°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#331B41
RGB	rgb(51, 27, 65)
HSL	hsl(278, 41%, 18%)
HSV	hsv(278, 58%, 25%)
CMYK	cmyk(21.5%, 58.5%, 0%, 74.5%)
CIE-LAB	lab(14.79, 20.07, -19.57)
CIE-LCH	lch(14.79, 28.03, 315.73°)
OKLab	oklab(27.38% 0.0486 -0.0547)
OKLCH	oklch(27.38% 0.073 311.6)
XYZ	xyz(2.7111, 1.8694, 5.2180)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B41 #29411B

analogous

#201B41 #331B41 #411B3C

triadic

#331B41 #41331B #1B4133

tetradic

#331B41 #41201B #29411B #1B3C41

square

#331B41 #41201B #29411B #1B3C41

split-complementary

#331B41 #3C411B #1B4120

monochromatic

#110916 #110916 #331B41 #552D6C #773F97

Accessibility & contrast

On white

15.29

#331B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#331B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B41

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B41	#FFFFFF	#000000	##FFFFFF
##331B41	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112442

Deuteranopia (green-blind)

#192640

Tritanopia (blue-blind)

#31212B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #331b41;
/* rgb */ color: rgb(51, 27, 65);
/* oklch */ color: oklch(27.4% 0.073 311.6);

Tailwind

colors: {
  custom: {
    50: '#6c5876',
    500: '#331b41',
    950: '#000000',
  },
}

SCSS

$custom: #331b41;
$custom-light: #6c5876;
$custom-dark: #000000;

JSON

{
  "hex": "#331b41",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 65
  },
  "hsl": {
    "h": 277.895,
    "s": 41.304,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27377,
    "c": 0.07315,
    "h": 311.6
  },
  "luminance": 0.01869
}

Semantic roles & 50–950 ramp

primary

#331B41

secondary

#557641

accent

#D15784

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331B41

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

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