#431B72#431B72

#431B72 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.140 H 299.6°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#431B72
RGB	rgb(67, 27, 114)
HSL	hsl(268, 62%, 28%)
HSV	hsv(268, 76%, 45%)
CMYK	cmyk(41.2%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(20.80, 37.60, -42.60)
CIE-LCH	lch(20.80, 56.82, 311.43°)
OKLab	oklab(33.4% 0.0692 -0.1216)
OKLCH	oklch(33.4% 0.14 299.6)
XYZ	xyz(5.7432, 3.1920, 16.2299)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B72 #4A721B

analogous

#1B1F72 #431B72 #6E1B72

triadic

#431B72 #72431B #1B7243

tetradic

#431B72 #721B1F #4A721B #1B726E

square

#431B72 #721B1F #4A721B #1B726E

split-complementary

#431B72 #726E1B #1F721B

monochromatic

#0F0619 #260F41 #431B72 #6027A3 #7E38D0

Accessibility & contrast

On white

12.82

#431B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#431B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B72

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B72	#FFFFFF	#000000	##FFFFFF
##431B72	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003275

Deuteranopia (green-blind)

#003170

Tritanopia (blue-blind)

#383145

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #431b72;
/* rgb */ color: rgb(67, 27, 114);
/* oklch */ color: oklch(33.4% 0.140 299.6);

Tailwind

colors: {
  custom: {
    50: '#7c5b9b',
    500: '#431b72',
    950: '#000000',
  },
}

SCSS

$custom: #431b72;
$custom-light: #7c5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#431b72",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 267.586,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33404,
    "c": 0.13997,
    "h": 299.6
  },
  "luminance": 0.03192
}

Semantic roles & 50–950 ramp

primary

#431B72

secondary

#78A742

accent

#E5439A

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431B72

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

Preview Lab → · Contrast checker → · Palette generator →