#331C50#331C50

#331C50 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.7% C 0.092 H 301.2°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#331C50
RGB	rgb(51, 28, 80)
HSL	hsl(267, 48%, 21%)
HSV	hsv(267, 65%, 31%)
CMYK	cmyk(36.3%, 65%, 0%, 68.6%)
CIE-LAB	lab(16.07, 23.68, -27.86)
CIE-LCH	lch(16.07, 36.56, 310.37°)
OKLab	oklab(28.66% 0.0477 -0.0789)
OKLCH	oklch(28.66% 0.092 301.2)
XYZ	xyz(3.2281, 2.1135, 7.8257)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C50 #39501C

analogous

#1C1F50 #331C50 #4D1C50

triadic

#331C50 #50331C #1C5033

tetradic

#331C50 #501C1F #39501C #1C504D

square

#331C50 #501C1F #39501C #1C504D

split-complementary

#331C50 #504D1C #1F501C

monochromatic

#0E0817 #160C23 #331C50 #502C7D #6D3CAB

Accessibility & contrast

On white

14.76

#331C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#331C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C50

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C50	#FFFFFF	#000000	##FFFFFF
##331C50	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032852

Deuteranopia (green-blind)

#0D284F

Tritanopia (blue-blind)

#2D2733

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331c50;
/* rgb */ color: rgb(51, 28, 80);
/* oklch */ color: oklch(28.7% 0.092 301.2);

Tailwind

colors: {
  custom: {
    50: '#6d5981',
    500: '#331c50',
    950: '#000000',
  },
}

SCSS

$custom: #331c50;
$custom-light: #6d5981;
$custom-dark: #000000;

JSON

{
  "hex": "#331c50",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 80
  },
  "hsl": {
    "h": 266.538,
    "s": 48.148,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28657,
    "c": 0.09225,
    "h": 301.2
  },
  "luminance": 0.02114
}

Semantic roles & 50–950 ramp

primary

#331C50

secondary

#688642

accent

#D8509C

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331C50

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

Preview Lab → · Contrast checker → · Palette generator →