#431F9E#431F9E

#431F9E is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.187 H 286.6°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#431F9E
RGB	rgb(67, 31, 158)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 80%, 62%)
CMYK	cmyk(57.6%, 80.4%, 0%, 38%)
CIE-LAB	lab(25.69, 47.99, -62.15)
CIE-LCH	lch(25.69, 78.52, 307.68°)
OKLab	oklab(38.12% 0.0532 -0.179)
OKLCH	oklch(38.12% 0.187 286.6)
XYZ	xyz(8.9744, 4.6414, 32.7641)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F9E #7A9E1F

analogous

#1F3A9E #431F9E #831F9E

triadic

#431F9E #9E431F #1F9E43

tetradic

#431F9E #9E1F3A #7A9E1F #1F9E83

square

#431F9E #9E1F3A #7A9E1F #1F9E83

split-complementary

#431F9E #9E831F #3A9E1F

monochromatic

#180B38 #2D156B #431F9E #5929D1 #7F59DE

Accessibility & contrast

On white

10.89

#431F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#431F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F9E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F9E	#FFFFFF	#000000	##FFFFFF
##431F9E	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#16455F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #431f9e;
/* rgb */ color: rgb(67, 31, 158);
/* oklch */ color: oklch(38.1% 0.187 286.6);

Tailwind

colors: {
  custom: {
    50: '#8260bc',
    500: '#431f9e',
    950: '#000000',
  },
}

SCSS

$custom: #431f9e;
$custom-light: #8260bc;
$custom-dark: #000000;

JSON

{
  "hex": "#431f9e",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 257.008,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38115,
    "c": 0.1867,
    "h": 286.6
  },
  "luminance": 0.04642
}

Semantic roles & 50–950 ramp

primary

#431F9E

secondary

#A4C256

accent

#EA3EB9

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431F9E

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

Preview Lab → · Contrast checker → · Palette generator →