#431D9D#431D9D

#431D9D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.187 H 287.0°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#431D9D
RGB	rgb(67, 29, 157)
HSL	hsl(258, 69%, 36%)
HSV	hsv(258, 82%, 62%)
CMYK	cmyk(57.3%, 81.5%, 0%, 38.4%)
CIE-LAB	lab(25.28, 48.60, -62.21)
CIE-LCH	lch(25.28, 78.94, 308.00°)
OKLab	oklab(37.8% 0.0548 -0.1791)
OKLCH	oklch(37.8% 0.187 287)
XYZ	xyz(8.8381, 4.5059, 32.2958)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431D9D #779D1D

analogous

#1D379D #431D9D #831D9D

triadic

#431D9D #9D431D #1D9D43

tetradic

#431D9D #9D1D37 #779D1D #1D9D83

square

#431D9D #9D1D37 #779D1D #1D9D83

split-complementary

#431D9D #9D831D #379D1D

monochromatic

#170A36 #2D1369 #431D9D #5927D1 #7E55E0

Accessibility & contrast

On white

11.05

#431D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#431D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431D9D

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431D9D	#FFFFFF	#000000	##FFFFFF
##431D9D	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)

#003FA0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#18435E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431d9d;
/* rgb */ color: rgb(67, 29, 157);
/* oklch */ color: oklch(37.8% 0.187 287.0);

Tailwind

colors: {
  custom: {
    50: '#825fbb',
    500: '#431d9d',
    950: '#000000',
  },
}

SCSS

$custom: #431d9d;
$custom-light: #825fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#431d9d",
  "rgb": {
    "r": 67,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 257.813,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.378,
    "c": 0.18733,
    "h": 287
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#431D9D

secondary

#A2C353

accent

#EC3CB8

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431D9D

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

Preview Lab → · Contrast checker → · Palette generator →