#431C81#431C81

#431C81 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.156 H 294.3°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#431C81
RGB	rgb(67, 28, 129)
HSL	hsl(263, 64%, 31%)
HSV	hsv(263, 78%, 51%)
CMYK	cmyk(48.1%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(22.33, 41.23, -49.66)
CIE-LCH	lch(22.33, 64.55, 309.70°)
OKLab	oklab(34.91% 0.0644 -0.1424)
OKLCH	oklch(34.91% 0.156 294.3)
XYZ	xyz(6.6914, 3.6086, 21.1086)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431C81 #5A811C

analogous

#1C2881 #431C81 #751C81

triadic

#431C81 #81431C #1C8143

tetradic

#431C81 #811C28 #5A811C #1C8175

square

#431C81 #811C28 #5A811C #1C8175

split-complementary

#431C81 #81751C #28811C

monochromatic

#0F061C #29114F #431C81 #5D27B3 #7B42D6

Accessibility & contrast

On white

12.20

#431C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#431C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431C81

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431C81	#FFFFFF	#000000	##FFFFFF
##431C81	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#31374D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #431c81;
/* rgb */ color: rgb(67, 28, 129);
/* oklch */ color: oklch(34.9% 0.156 294.3);

Tailwind

colors: {
  custom: {
    50: '#7e5da6',
    500: '#431c81',
    950: '#000000',
  },
}

SCSS

$custom: #431c81;
$custom-light: #7e5da6;
$custom-dark: #000000;

JSON

{
  "hex": "#431c81",
  "rgb": {
    "r": 67,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 263.168,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34906,
    "c": 0.15628,
    "h": 294.3
  },
  "luminance": 0.03609
}

Semantic roles & 50–950 ramp

primary

#431C81

secondary

#89B444

accent

#E740A7

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #431C81

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

Preview Lab → · Contrast checker → · Palette generator →