#331F54#331F54

#331F54 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.5% C 0.093 H 297.9°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#331F54
RGB	rgb(51, 31, 84)
HSL	hsl(263, 46%, 23%)
HSV	hsv(263, 63%, 33%)
CMYK	cmyk(39.3%, 63.1%, 0%, 67.1%)
CIE-LAB	lab(17.10, 22.95, -28.91)
CIE-LCH	lch(17.10, 36.91, 308.44°)
OKLab	oklab(29.51% 0.0434 -0.082)
OKLCH	oklch(29.51% 0.093 297.9)
XYZ	xyz(3.4551, 2.3238, 8.6523)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F54 #40541F

analogous

#1F2554 #331F54 #4E1F54

triadic

#331F54 #54331F #1F5433

tetradic

#331F54 #541F25 #40541F #1F544E

square

#331F54 #541F25 #40541F #1F544E

split-complementary

#331F54 #544E1F #25541F

monochromatic

#0E0816 #180F27 #331F54 #4E2F81 #6940AD

Accessibility & contrast

On white

14.34

#331F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#331F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F54

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F54	#FFFFFF	#000000	##FFFFFF
##331F54	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042A56

Deuteranopia (green-blind)

#0C2A53

Tritanopia (blue-blind)

#2B2A36

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331f54;
/* rgb */ color: rgb(51, 31, 84);
/* oklch */ color: oklch(29.5% 0.093 297.9);

Tailwind

colors: {
  custom: {
    50: '#6d5b84',
    500: '#331f54',
    950: '#000000',
  },
}

SCSS

$custom: #331f54;
$custom-light: #6d5b84;
$custom-dark: #000000;

JSON

{
  "hex": "#331f54",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 84
  },
  "hsl": {
    "h": 262.642,
    "s": 46.087,
    "l": 22.549
  },
  "oklch": {
    "l": 0.29507,
    "c": 0.09279,
    "h": 297.9
  },
  "luminance": 0.02324
}

Semantic roles & 50–950 ramp

primary

#331F54

secondary

#708946

accent

#D652A4

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331F54

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

Preview Lab → · Contrast checker → · Palette generator →