#331F57#331F57

#331F57 is a dark, moderate violet. Relative luminance 0.024; OKLCH L 29.7% C 0.097 H 296.5°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#331F57
RGB	rgb(51, 31, 87)
HSL	hsl(261, 47%, 23%)
HSV	hsv(261, 64%, 34%)
CMYK	cmyk(41.4%, 64.4%, 0%, 65.9%)
CIE-LAB	lab(17.33, 23.87, -30.57)
CIE-LCH	lch(17.33, 38.78, 307.99°)
OKLab	oklab(29.74% 0.0433 -0.0869)
OKLCH	oklch(29.74% 0.097 296.5)
XYZ	xyz(3.5751, 2.3718, 9.2844)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F57 #43571F

analogous

#1F2757 #331F57 #4F1F57

triadic

#331F57 #57331F #1F5733

tetradic

#331F57 #571F27 #43571F #1F574F

square

#331F57 #571F27 #43571F #1F574F

split-complementary

#331F57 #574F1F #27571F

monochromatic

#0D0817 #190F2A #331F57 #4D2F84 #683FB1

Accessibility & contrast

On white

14.24

#331F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#331F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F57

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F57	#FFFFFF	#000000	##FFFFFF
##331F57	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B59

Deuteranopia (green-blind)

#072A56

Tritanopia (blue-blind)

#2A2B37

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331f57;
/* rgb */ color: rgb(51, 31, 87);
/* oklch */ color: oklch(29.7% 0.097 296.5);

Tailwind

colors: {
  custom: {
    50: '#6e5b87',
    500: '#331f57',
    950: '#000000',
  },
}

SCSS

$custom: #331f57;
$custom-light: #6e5b87;
$custom-dark: #000000;

JSON

{
  "hex": "#331f57",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 87
  },
  "hsl": {
    "h": 261.429,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29745,
    "c": 0.09709,
    "h": 296.5
  },
  "luminance": 0.02372
}

Semantic roles & 50–950 ramp

primary

#331F57

secondary

#738C46

accent

#D751A7

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331F57

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

Preview Lab → · Contrast checker → · Palette generator →