#431F9A#431F9A

#431F9A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.182 H 287.4°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#431F9A
RGB	rgb(67, 31, 154)
HSL	hsl(258, 66%, 36%)
HSV	hsv(258, 80%, 60%)
CMYK	cmyk(56.5%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(25.28, 46.86, -60.38)
CIE-LCH	lch(25.28, 76.42, 307.81°)
OKLab	oklab(37.71% 0.0545 -0.1738)
OKLCH	oklch(37.71% 0.182 287.4)
XYZ	xyz(8.6357, 4.5059, 30.9803)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F9A #769A1F

analogous

#1F399A #431F9A #811F9A

triadic

#431F9A #9A431F #1F9A43

tetradic

#431F9A #9A1F39 #769A1F #1F9A81

square

#431F9A #9A1F39 #769A1F #1F9A81

split-complementary

#431F9A #9A811F #399A1F

monochromatic

#170A34 #2D1567 #431F9A #5929CD #7E56DD

Accessibility & contrast

On white

11.05

#431F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#431F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F9A

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F9A	#FFFFFF	#000000	##FFFFFF
##431F9A	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#1C435C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431f9a;
/* rgb */ color: rgb(67, 31, 154);
/* oklch */ color: oklch(37.7% 0.182 287.4);

Tailwind

colors: {
  custom: {
    50: '#8260b9',
    500: '#431f9a',
    950: '#000000',
  },
}

SCSS

$custom: #431f9a;
$custom-light: #8260b9;
$custom-dark: #000000;

JSON

{
  "hex": "#431f9a",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 257.561,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37707,
    "c": 0.18213,
    "h": 287.4
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#431F9A

secondary

#A1C154

accent

#E93EB7

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431F9A

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

Preview Lab → · Contrast checker → · Palette generator →