#431C66#431C66

#431C66 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.124 H 304.4°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#431C66
RGB	rgb(67, 28, 102)
HSL	hsl(272, 57%, 25%)
HSV	hsv(272, 73%, 40%)
CMYK	cmyk(34.3%, 72.5%, 0%, 60%)
CIE-LAB	lab(19.98, 33.86, -36.13)
CIE-LCH	lch(19.98, 49.52, 313.14°)
OKLab	oklab(32.51% 0.0704 -0.1026)
OKLCH	oklch(32.51% 0.124 304.4)
XYZ	xyz(5.1277, 2.9831, 12.8735)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431C66 #3F661C

analogous

#1E1C66 #431C66 #661C64

triadic

#431C66 #66431C #1C6643

tetradic

#431C66 #661E1C #3F661C #1C6466

square

#431C66 #661E1C #3F661C #1C6466

split-complementary

#431C66 #64661C #1C661E

monochromatic

#100718 #230F36 #431C66 #632996 #8236C6

Accessibility & contrast

On white

13.15

#431C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#431C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431C66

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431C66	#FFFFFF	#000000	##FFFFFF
##431C66	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F68

Deuteranopia (green-blind)

#013064

Tritanopia (blue-blind)

#3C2D3E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #431c66;
/* rgb */ color: rgb(67, 28, 102);
/* oklch */ color: oklch(32.5% 0.124 304.4);

Tailwind

colors: {
  custom: {
    50: '#7b5b92',
    500: '#431c66',
    950: '#000000',
  },
}

SCSS

$custom: #431c66;
$custom-light: #7b5b92;
$custom-dark: #000000;

JSON

{
  "hex": "#431c66",
  "rgb": {
    "r": 67,
    "g": 28,
    "b": 102
  },
  "hsl": {
    "h": 271.622,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32505,
    "c": 0.12447,
    "h": 304.4
  },
  "luminance": 0.02983
}

Semantic roles & 50–950 ramp

primary

#431C66

secondary

#6D9B43

accent

#E04890

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #431C66

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

Preview Lab → · Contrast checker → · Palette generator →