#431D81#431D81

#431D81 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.155 H 294.2°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#431D81
RGB	rgb(67, 29, 129)
HSL	hsl(263, 63%, 31%)
HSV	hsv(263, 78%, 51%)
CMYK	cmyk(48.1%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(22.50, 40.74, -49.38)
CIE-LCH	lch(22.50, 64.02, 309.53°)
OKLab	oklab(35.03% 0.0635 -0.1416)
OKLCH	oklch(35.03% 0.155 294.2)
XYZ	xyz(6.7155, 3.6568, 21.1166)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431D81 #5B811D

analogous

#1D2981 #431D81 #751D81

triadic

#431D81 #81431D #1D8143

tetradic

#431D81 #811D29 #5B811D #1D8175

square

#431D81 #811D29 #5B811D #1D8175

split-complementary

#431D81 #81751D #29811D

monochromatic

#0F071D #29124F #431D81 #5D28B3 #7B44D5

Accessibility & contrast

On white

12.13

#431D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#431D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431D81

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431D81	#FFFFFF	#000000	##FFFFFF
##431D81	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#31384E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #431d81;
/* rgb */ color: rgb(67, 29, 129);
/* oklch */ color: oklch(35.0% 0.155 294.2);

Tailwind

colors: {
  custom: {
    50: '#7e5da6',
    500: '#431d81',
    950: '#000000',
  },
}

SCSS

$custom: #431d81;
$custom-light: #7e5da6;
$custom-dark: #000000;

JSON

{
  "hex": "#431d81",
  "rgb": {
    "r": 67,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 262.8,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35026,
    "c": 0.15518,
    "h": 294.2
  },
  "luminance": 0.03657
}

Semantic roles & 50–950 ramp

primary

#431D81

secondary

#8AB446

accent

#E641A8

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #431D81

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

Preview Lab → · Contrast checker → · Palette generator →