#331F55#331F55

#331F55 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.6% C 0.094 H 297.4°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#331F55
RGB	rgb(51, 31, 85)
HSL	hsl(262, 47%, 23%)
HSV	hsv(262, 64%, 33%)
CMYK	cmyk(40%, 63.5%, 0%, 66.7%)
CIE-LAB	lab(17.18, 23.25, -29.47)
CIE-LCH	lch(17.18, 37.54, 308.28°)
OKLab	oklab(29.59% 0.0434 -0.0837)
OKLCH	oklch(29.59% 0.094 297.4)
XYZ	xyz(3.4945, 2.3396, 8.8600)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F55 #41551F

analogous

#1F2655 #331F55 #4E1F55

triadic

#331F55 #55331F #1F5533

tetradic

#331F55 #551F26 #41551F #1F554E

square

#331F55 #551F26 #41551F #1F554E

split-complementary

#331F55 #554E1F #26551F

monochromatic

#0D0816 #180F28 #331F55 #4E2F82 #6940AF

Accessibility & contrast

On white

14.31

#331F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#331F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F55

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F55	#FFFFFF	#000000	##FFFFFF
##331F55	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032A57

Deuteranopia (green-blind)

#0B2A54

Tritanopia (blue-blind)

#2B2A36

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331f55;
/* rgb */ color: rgb(51, 31, 85);
/* oklch */ color: oklch(29.6% 0.094 297.4);

Tailwind

colors: {
  custom: {
    50: '#6d5b85',
    500: '#331f55',
    950: '#000000',
  },
}

SCSS

$custom: #331f55;
$custom-light: #6d5b85;
$custom-dark: #000000;

JSON

{
  "hex": "#331f55",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 85
  },
  "hsl": {
    "h": 262.222,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29586,
    "c": 0.09423,
    "h": 297.4
  },
  "luminance": 0.0234
}

Semantic roles & 50–950 ramp

primary

#331F55

secondary

#718A46

accent

#D652A5

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331F55

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

Preview Lab → · Contrast checker → · Palette generator →