#431F8A#431F8A

#431F8A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.164 H 291.3°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#431F8A
RGB	rgb(67, 31, 138)
HSL	hsl(260, 63%, 33%)
HSV	hsv(260, 78%, 54%)
CMYK	cmyk(51.4%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(23.70, 42.30, -53.08)
CIE-LCH	lch(23.70, 67.87, 308.56°)
OKLab	oklab(36.13% 0.0593 -0.1524)
OKLCH	oklch(36.13% 0.164 291.3)
XYZ	xyz(7.3909, 4.0080, 24.4240)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F8A #668A1F

analogous

#1F308A #431F8A #781F8A

triadic

#431F8A #8A431F #1F8A43

tetradic

#431F8A #8A1F30 #668A1F #1F8A78

square

#431F8A #8A1F30 #668A1F #1F8A78

split-complementary

#431F8A #8A781F #308A1F

monochromatic

#120926 #2B1458 #431F8A #5B2ABC #7B4CD7

Accessibility & contrast

On white

11.66

#431F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#431F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F8A

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F8A	#FFFFFF	#000000	##FFFFFF
##431F8A	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#2B3C53

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431f8a;
/* rgb */ color: rgb(67, 31, 138);
/* oklch */ color: oklch(36.1% 0.164 291.3);

Tailwind

colors: {
  custom: {
    50: '#7f5fad',
    500: '#431f8a',
    950: '#000000',
  },
}

SCSS

$custom: #431f8a;
$custom-light: #7f5fad;
$custom-dark: #000000;

JSON

{
  "hex": "#431f8a",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 260.187,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36125,
    "c": 0.16356,
    "h": 291.3
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#431F8A

secondary

#94BA4B

accent

#E641AF

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #431F8A

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

Preview Lab → · Contrast checker → · Palette generator →