#431C75#431C75

#431C75 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.142 H 298.3°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#431C75
RGB	rgb(67, 28, 117)
HSL	hsl(266, 61%, 28%)
HSV	hsv(266, 76%, 46%)
CMYK	cmyk(42.7%, 76.1%, 0%, 54.1%)
CIE-LAB	lab(21.24, 37.91, -43.81)
CIE-LCH	lch(21.24, 57.94, 310.87°)
OKLab	oklab(33.8% 0.0675 -0.1252)
OKLCH	oklch(33.8% 0.142 298.3)
XYZ	xyz(5.9401, 3.3081, 17.1517)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.44

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431C75 #4E751C

analogous

#1C2175 #431C75 #6F1C75

triadic

#431C75 #75431C #1C7543

tetradic

#431C75 #751C21 #4E751C #1C756F

square

#431C75 #751C21 #4E751C #1C756F

split-complementary

#431C75 #756F1C #21751C

monochromatic

#0E0619 #271044 #431C75 #5F28A6 #7C3BD0

Accessibility & contrast

On white

12.64

#431C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#431C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431C75

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431C75	#FFFFFF	#000000	##FFFFFF
##431C75	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#003273

Tritanopia (blue-blind)

#373347

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #431c75;
/* rgb */ color: rgb(67, 28, 117);
/* oklch */ color: oklch(33.8% 0.142 298.3);

Tailwind

colors: {
  custom: {
    50: '#7c5c9e',
    500: '#431c75',
    950: '#000000',
  },
}

SCSS

$custom: #431c75;
$custom-light: #7c5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#431c75",
  "rgb": {
    "r": 67,
    "g": 28,
    "b": 117
  },
  "hsl": {
    "h": 266.292,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33797,
    "c": 0.14227,
    "h": 298.3
  },
  "luminance": 0.03308
}

Semantic roles & 50–950 ramp

primary

#431C75

secondary

#7DA944

accent

#E4439E

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431C75

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

Preview Lab → · Contrast checker → · Palette generator →