#331F4C#331F4C

#331F4C is a dark, moderate violet. Relative luminance 0.022; OKLCH L 28.9% C 0.081 H 302.1°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#331F4C
RGB	rgb(51, 31, 76)
HSL	hsl(267, 42%, 21%)
HSV	hsv(267, 59%, 30%)
CMYK	cmyk(32.9%, 59.2%, 0%, 70.2%)
CIE-LAB	lab(16.53, 20.54, -24.39)
CIE-LCH	lch(16.53, 31.89, 310.10°)
OKLab	oklab(28.9% 0.0431 -0.0688)
OKLCH	oklch(28.9% 0.081 302.1)
XYZ	xyz(3.1594, 2.2056, 7.0953)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F4C #384C1F

analogous

#1F214C #331F4C #491F4C

triadic

#331F4C #4C331F #1F4C33

tetradic

#331F4C #4C1F21 #384C1F #1F4C49

square

#331F4C #4C1F21 #384C1F #1F4C49

split-complementary

#331F4C #4C491F #214C1F

monochromatic

#0F0916 #160D21 #331F4C #503177 #6D42A3

Accessibility & contrast

On white

14.57

#331F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#331F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F4C

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F4C	#FFFFFF	#000000	##FFFFFF
##331F4C	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F294E

Deuteranopia (green-blind)

#15294B

Tritanopia (blue-blind)

#2E2832

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331f4c;
/* rgb */ color: rgb(51, 31, 76);
/* oklch */ color: oklch(28.9% 0.081 302.1);

Tailwind

colors: {
  custom: {
    50: '#6c5b7e',
    500: '#331f4c',
    950: '#000000',
  },
}

SCSS

$custom: #331f4c;
$custom-light: #6c5b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#331f4c",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 76
  },
  "hsl": {
    "h": 266.667,
    "s": 42.056,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28903,
    "c": 0.08119,
    "h": 302.1
  },
  "luminance": 0.02206
}

Semantic roles & 50–950 ramp

primary

#331F4C

secondary

#678146

accent

#D2569B

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07040A

muted

#7A797C

Preview Lab

Preview with #331F4C

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

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