#331C55#331C55

#331C55 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.1% C 0.099 H 298.6°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#331C55
RGB	rgb(51, 28, 85)
HSL	hsl(264, 50%, 22%)
HSV	hsv(264, 67%, 33%)
CMYK	cmyk(40%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(16.46, 25.17, -30.63)
CIE-LCH	lch(16.46, 39.65, 309.42°)
OKLab	oklab(29.06% 0.0475 -0.0871)
OKLCH	oklch(29.06% 0.099 298.6)
XYZ	xyz(3.4198, 2.1902, 8.8351)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C55 #3E551C

analogous

#1C2155 #331C55 #501C55

triadic

#331C55 #55331C #1C5533

tetradic

#331C55 #551C21 #3E551C #1C5550

square

#331C55 #551C21 #3E551C #1C5550

split-complementary

#331C55 #55501C #21551C

monochromatic

#0E0817 #170D27 #331C55 #4F2B83 #6A3AB1

Accessibility & contrast

On white

14.60

#331C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#331C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C55

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C55	#FFFFFF	#000000	##FFFFFF
##331C55	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#052854

Tritanopia (blue-blind)

#2B2835

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331c55;
/* rgb */ color: rgb(51, 28, 85);
/* oklch */ color: oklch(29.1% 0.099 298.6);

Tailwind

colors: {
  custom: {
    50: '#6e5985',
    500: '#331c55',
    950: '#000000',
  },
}

SCSS

$custom: #331c55;
$custom-light: #6e5985;
$custom-dark: #000000;

JSON

{
  "hex": "#331c55",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 264.211,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.29059,
    "c": 0.0992,
    "h": 298.6
  },
  "luminance": 0.0219
}

Semantic roles & 50–950 ramp

primary

#331C55

secondary

#6D8B42

accent

#DA4EA1

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331C55

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

Preview Lab → · Contrast checker → · Palette generator →