#331F7C#331F7C

#331F7C is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.147 H 284.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#331F7C
RGB	rgb(51, 31, 124)
HSL	hsl(253, 60%, 30%)
HSV	hsv(253, 75%, 49%)
CMYK	cmyk(58.9%, 75%, 0%, 51.4%)
CIE-LAB	lab(20.59, 35.58, -49.42)
CIE-LCH	lch(20.59, 60.90, 305.76°)
OKLab	oklab(33.11% 0.0378 -0.1423)
OKLCH	oklch(33.11% 0.147 284.9)
XYZ	xyz(5.4922, 3.1387, 19.3813)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F7C #687C1F

analogous

#1F3A7C #331F7C #611F7C

triadic

#331F7C #7C331F #1F7C33

tetradic

#331F7C #7C1F3A #687C1F #1F7C61

square

#331F7C #7C1F3A #687C1F #1F7C61

split-complementary

#331F7C #7C611F #3A7C1F

monochromatic

#0B071A #1F134B #331F7C #472BAD #6345D0

Accessibility & contrast

On white

12.90

#331F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#331F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F7C

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F7C	#FFFFFF	#000000	##FFFFFF
##331F7C	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#0E384B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331f7c;
/* rgb */ color: rgb(51, 31, 124);
/* oklch */ color: oklch(33.1% 0.147 284.9);

Tailwind

colors: {
  custom: {
    50: '#745da3',
    500: '#331f7c',
    950: '#000000',
  },
}

SCSS

$custom: #331f7c;
$custom-light: #745da3;
$custom-dark: #000000;

JSON

{
  "hex": "#331f7c",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 124
  },
  "hsl": {
    "h": 252.903,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33107,
    "c": 0.1472,
    "h": 284.9
  },
  "luminance": 0.03139
}

Semantic roles & 50–950 ramp

primary

#331F7C

secondary

#99AF48

accent

#E345C1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331F7C

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

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