#431F9F#431F9F

#431F9F is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.188 H 286.4°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#431F9F
RGB	rgb(67, 31, 159)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 81%, 62%)
CMYK	cmyk(57.9%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(25.79, 48.28, -62.59)
CIE-LCH	lch(25.79, 79.04, 307.65°)
OKLab	oklab(38.22% 0.0529 -0.1802)
OKLCH	oklch(38.22% 0.188 286.4)
XYZ	xyz(9.0609, 4.6759, 33.2193)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F9F #7B9F1F

analogous

#1F3B9F #431F9F #831F9F

triadic

#431F9F #9F431F #1F9F43

tetradic

#431F9F #9F1F3B #7B9F1F #1F9F83

square

#431F9F #9F1F3B #7B9F1F #1F9F83

split-complementary

#431F9F #9F831F #3B9F1F

monochromatic

#180B39 #2D156C #431F9F #5929D2 #7F5ADF

Accessibility & contrast

On white

10.85

#431F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#431F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F9F

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F9F	#FFFFFF	#000000	##FFFFFF
##431F9F	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#15455F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #431f9f;
/* rgb */ color: rgb(67, 31, 159);
/* oklch */ color: oklch(38.2% 0.188 286.4);

Tailwind

colors: {
  custom: {
    50: '#8360bd',
    500: '#431f9f',
    950: '#000000',
  },
}

SCSS

$custom: #431f9f;
$custom-light: #8360bd;
$custom-dark: #000000;

JSON

{
  "hex": "#431f9f",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 256.875,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38217,
    "c": 0.18785,
    "h": 286.4
  },
  "luminance": 0.04676
}

Semantic roles & 50–950 ramp

primary

#431F9F

secondary

#A4C357

accent

#EA3EBA

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431F9F

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

Preview Lab → · Contrast checker → · Palette generator →