#431F81#431F81

#431F81 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.3% C 0.153 H 293.8°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#431F81
RGB	rgb(67, 31, 129)
HSL	hsl(262, 61%, 31%)
HSV	hsv(262, 76%, 51%)
CMYK	cmyk(48.1%, 76%, 0%, 49.4%)
CIE-LAB	lab(22.85, 39.75, -48.81)
CIE-LCH	lch(22.85, 62.94, 309.16°)
OKLab	oklab(35.27% 0.0617 -0.1399)
OKLCH	oklch(35.27% 0.153 293.8)
XYZ	xyz(6.7661, 3.7580, 21.1335)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F81 #5D811F

analogous

#1F2C81 #431F81 #741F81

triadic

#431F81 #81431F #1F8143

tetradic

#431F81 #811F2C #5D811F #1F8174

square

#431F81 #811F2C #5D811F #1F8174

split-complementary

#431F81 #81741F #2C811F

monochromatic

#10071E #291350 #431F81 #5D2BB2 #7B47D3

Accessibility & contrast

On white

11.99

#431F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#431F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F81

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F81	#FFFFFF	#000000	##FFFFFF
##431F81	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#00357F

Tritanopia (blue-blind)

#31394E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #431f81;
/* rgb */ color: rgb(67, 31, 129);
/* oklch */ color: oklch(35.3% 0.153 293.8);

Tailwind

colors: {
  custom: {
    50: '#7e5ea6',
    500: '#431f81',
    950: '#000000',
  },
}

SCSS

$custom: #431f81;
$custom-light: #7e5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#431f81",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 262.041,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35273,
    "c": 0.15291,
    "h": 293.8
  },
  "luminance": 0.03758
}

Semantic roles & 50–950 ramp

primary

#431F81

secondary

#8CB448

accent

#E443A9

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #431F81

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

Preview Lab → · Contrast checker → · Palette generator →