#431F9C#431F9C

#431F9C is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.184 H 287.0°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#431F9C
RGB	rgb(67, 31, 156)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 80%, 61%)
CMYK	cmyk(57.1%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(25.48, 47.43, -61.26)
CIE-LCH	lch(25.48, 77.47, 307.74°)
OKLab	oklab(37.91% 0.0539 -0.1764)
OKLCH	oklch(37.91% 0.184 287)
XYZ	xyz(8.8037, 4.5731, 31.8648)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F9C #789C1F

analogous

#1F3A9C #431F9C #821F9C

triadic

#431F9C #9C431F #1F9C43

tetradic

#431F9C #9C1F3A #789C1F #1F9C82

square

#431F9C #9C1F3A #789C1F #1F9C82

split-complementary

#431F9C #9C821F #3A9C1F

monochromatic

#170B36 #2D1569 #431F9C #5929CF #7E58DE

Accessibility & contrast

On white

10.97

#431F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#431F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F9C

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F9C	#FFFFFF	#000000	##FFFFFF
##431F9C	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00399A

Tritanopia (blue-blind)

#19445E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431f9c;
/* rgb */ color: rgb(67, 31, 156);
/* oklch */ color: oklch(37.9% 0.184 287.0);

Tailwind

colors: {
  custom: {
    50: '#8260ba',
    500: '#431f9c',
    950: '#000000',
  },
}

SCSS

$custom: #431f9c;
$custom-light: #8260ba;
$custom-dark: #000000;

JSON

{
  "hex": "#431f9c",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 257.28,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3791,
    "c": 0.18442,
    "h": 287
  },
  "luminance": 0.04574
}

Semantic roles & 50–950 ramp

primary

#431F9C

secondary

#A2C155

accent

#EA3EB8

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431F9C

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

Preview Lab → · Contrast checker → · Palette generator →