#431F99#431F99

#431F99 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.181 H 287.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#431F99
RGB	rgb(67, 31, 153)
HSL	hsl(258, 66%, 36%)
HSV	hsv(258, 80%, 60%)
CMYK	cmyk(56.2%, 79.7%, 0%, 40%)
CIE-LAB	lab(25.18, 46.57, -59.93)
CIE-LCH	lch(25.18, 75.90, 307.85°)
OKLab	oklab(37.61% 0.0548 -0.1725)
OKLCH	oklch(37.61% 0.181 287.6)
XYZ	xyz(8.5528, 4.4727, 30.5435)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F99 #75991F

analogous

#1F3899 #431F99 #801F99

triadic

#431F99 #99431F #1F9943

tetradic

#431F99 #991F38 #75991F #1F9980

square

#431F99 #991F38 #75991F #1F9980

split-complementary

#431F99 #99801F #38991F

monochromatic

#160A33 #2D1566 #431F99 #5929CC #7E56DD

Accessibility & contrast

On white

11.08

#431F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#431F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F99

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F99	#FFFFFF	#000000	##FFFFFF
##431F99	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#1D435C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431f99;
/* rgb */ color: rgb(67, 31, 153);
/* oklch */ color: oklch(37.6% 0.181 287.6);

Tailwind

colors: {
  custom: {
    50: '#8260b8',
    500: '#431f99',
    950: '#000000',
  },
}

SCSS

$custom: #431f99;
$custom-light: #8260b8;
$custom-dark: #000000;

JSON

{
  "hex": "#431f99",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 257.705,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37606,
    "c": 0.18098,
    "h": 287.6
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#431F99

secondary

#A0C054

accent

#E93FB7

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #431F99

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

Preview Lab → · Contrast checker → · Palette generator →