#331C58#331C58

#331C58 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.3% C 0.103 H 297.2°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#331C58
RGB	rgb(51, 28, 88)
HSL	hsl(263, 52%, 23%)
HSV	hsv(263, 68%, 35%)
CMYK	cmyk(42%, 68.2%, 0%, 65.5%)
CIE-LAB	lab(16.69, 26.08, -32.26)
CIE-LCH	lch(16.69, 41.49, 308.95°)
OKLab	oklab(29.31% 0.0473 -0.0919)
OKLCH	oklch(29.31% 0.103 297.2)
XYZ	xyz(3.5415, 2.2388, 9.4762)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C58 #41581C

analogous

#1C2358 #331C58 #511C58

triadic

#331C58 #58331C #1C5833

tetradic

#331C58 #581C23 #41581C #1C5851

square

#331C58 #581C23 #41581C #1C5851

split-complementary

#331C58 #58511C #23581C

monochromatic

#0D0717 #180D2A #331C58 #4E2B86 #693AB5

Accessibility & contrast

On white

14.50

#331C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C58

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C58	#FFFFFF	#000000	##FFFFFF
##331C58	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295A

Deuteranopia (green-blind)

#002957

Tritanopia (blue-blind)

#2A2937

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331c58;
/* rgb */ color: rgb(51, 28, 88);
/* oklch */ color: oklch(29.3% 0.103 297.2);

Tailwind

colors: {
  custom: {
    50: '#6e5988',
    500: '#331c58',
    950: '#000000',
  },
}

SCSS

$custom: #331c58;
$custom-light: #6e5988;
$custom-dark: #000000;

JSON

{
  "hex": "#331c58",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 88
  },
  "hsl": {
    "h": 263,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29308,
    "c": 0.10334,
    "h": 297.2
  },
  "luminance": 0.02239
}

Semantic roles & 50–950 ramp

primary

#331C58

secondary

#718E42

accent

#DB4DA5

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331C58

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

Preview Lab → · Contrast checker → · Palette generator →