#331C57#331C57

#331C57 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.2% C 0.102 H 297.7°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#331C57
RGB	rgb(51, 28, 87)
HSL	hsl(263, 51%, 23%)
HSV	hsv(263, 68%, 34%)
CMYK	cmyk(41.4%, 67.8%, 0%, 65.9%)
CIE-LAB	lab(16.61, 25.78, -31.72)
CIE-LCH	lch(16.61, 40.87, 309.10°)
OKLab	oklab(29.22% 0.0474 -0.0903)
OKLCH	oklch(29.22% 0.102 297.7)
XYZ	xyz(3.5004, 2.2224, 9.2595)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C57 #40571C

analogous

#1C2257 #331C57 #501C57

triadic

#331C57 #57331C #1C5733

tetradic

#331C57 #571C22 #40571C #1C5750

square

#331C57 #571C22 #40571C #1C5750

split-complementary

#331C57 #57501C #22571C

monochromatic

#0E0717 #180D29 #331C57 #4E2B85 #693AB4

Accessibility & contrast

On white

14.54

#331C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#331C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C57

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C57	#FFFFFF	#000000	##FFFFFF
##331C57	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#012856

Tritanopia (blue-blind)

#2A2936

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331c57;
/* rgb */ color: rgb(51, 28, 87);
/* oklch */ color: oklch(29.2% 0.102 297.7);

Tailwind

colors: {
  custom: {
    50: '#6e5987',
    500: '#331c57',
    950: '#000000',
  },
}

SCSS

$custom: #331c57;
$custom-light: #6e5987;
$custom-dark: #000000;

JSON

{
  "hex": "#331c57",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 87
  },
  "hsl": {
    "h": 263.39,
    "s": 51.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.29224,
    "c": 0.10196,
    "h": 297.7
  },
  "luminance": 0.02222
}

Semantic roles & 50–950 ramp

primary

#331C57

secondary

#708D42

accent

#DB4DA4

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331C57

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

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