#331C9F#331C9F

#331C9F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.193 H 278.9°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#331C9F
RGB	rgb(51, 28, 159)
HSL	hsl(251, 70%, 37%)
HSV	hsv(251, 82%, 62%)
CMYK	cmyk(67.9%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(23.79, 47.94, -65.94)
CIE-LCH	lch(23.79, 81.52, 306.02°)
OKLab	oklab(36.46% 0.0298 -0.1904)
OKLCH	oklch(36.46% 0.193 278.9)
XYZ	xyz(8.0365, 4.0368, 33.1498)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C9F #889F1C

analogous

#1C479F #331C9F #751C9F

triadic

#331C9F #9F331C #1C9F33

tetradic

#331C9F #9F1C47 #889F1C #1C9F75

square

#331C9F #9F1C47 #889F1C #1C9F75

split-complementary

#331C9F #9F751C #479F1C

monochromatic

#120A37 #22136B #331C9F #4425D3 #6D54E1

Accessibility & contrast

On white

11.62

#331C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#331C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C9F

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C9F	#FFFFFF	#000000	##FFFFFF
##331C9F	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331c9f;
/* rgb */ color: rgb(51, 28, 159);
/* oklch */ color: oklch(36.5% 0.193 278.9);

Tailwind

colors: {
  custom: {
    50: '#7b5dbd',
    500: '#331c9f',
    950: '#000000',
  },
}

SCSS

$custom: #331c9f;
$custom-light: #7b5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#331c9f",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 250.534,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36461,
    "c": 0.19274,
    "h": 278.9
  },
  "luminance": 0.04038
}

Semantic roles & 50–950 ramp

primary

#331C9F

secondary

#B0C453

accent

#ED3BCE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331C9F

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

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