#431B73#431B73

#431B73 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.141 H 299.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#431B73
RGB	rgb(67, 27, 115)
HSL	hsl(267, 62%, 28%)
HSV	hsv(267, 77%, 45%)
CMYK	cmyk(41.7%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(20.88, 37.87, -43.10)
CIE-LCH	lch(20.88, 57.37, 311.30°)
OKLab	oklab(33.49% 0.069 -0.1231)
OKLCH	oklch(33.49% 0.141 299.3)
XYZ	xyz(5.8004, 3.2149, 16.5313)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B73 #4B731B

analogous

#1B1F73 #431B73 #6F1B73

triadic

#431B73 #73431B #1B7343

tetradic

#431B73 #731B1F #4B731B #1B736F

square

#431B73 #731B1F #4B731B #1B736F

split-complementary

#431B73 #736F1B #1F731B

monochromatic

#0E0619 #260F41 #431B73 #6027A5 #7D38D0

Accessibility & contrast

On white

12.78

#431B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#431B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B73

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B73	#FFFFFF	#000000	##FFFFFF
##431B73	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#383145

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #431b73;
/* rgb */ color: rgb(67, 27, 115);
/* oklch */ color: oklch(33.5% 0.141 299.3);

Tailwind

colors: {
  custom: {
    50: '#7c5c9c',
    500: '#431b73',
    950: '#000000',
  },
}

SCSS

$custom: #431b73;
$custom-light: #7c5c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#431b73",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 267.273,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33493,
    "c": 0.14114,
    "h": 299.3
  },
  "luminance": 0.03215
}

Semantic roles & 50–950 ramp

primary

#431B73

secondary

#7AA842

accent

#E5439B

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431B73

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

Preview Lab → · Contrast checker → · Palette generator →