#431D66#431D66

#431D66 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.6% C 0.123 H 304.2°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#431D66
RGB	rgb(67, 29, 102)
HSL	hsl(271, 56%, 26%)
HSV	hsv(271, 72%, 40%)
CMYK	cmyk(34.3%, 71.6%, 0%, 60%)
CIE-LAB	lab(20.17, 33.32, -35.82)
CIE-LCH	lch(20.17, 48.93, 312.93°)
OKLab	oklab(32.64% 0.0692 -0.1017)
OKLCH	oklch(32.64% 0.123 304.2)
XYZ	xyz(5.1518, 3.0313, 12.8815)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431D66 #40661D

analogous

#1E1D66 #431D66 #661D64

triadic

#431D66 #66431D #1D6643

tetradic

#431D66 #661E1D #40661D #1D6466

square

#431D66 #661E1D #40661D #1D6466

split-complementary

#431D66 #64661D #1D661E

monochromatic

#100718 #240F36 #431D66 #622B96 #8238C5

Accessibility & contrast

On white

13.07

#431D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#431D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431D66

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431D66	#FFFFFF	#000000	##FFFFFF
##431D66	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003068

Deuteranopia (green-blind)

#033164

Tritanopia (blue-blind)

#3C2D3F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #431d66;
/* rgb */ color: rgb(67, 29, 102);
/* oklch */ color: oklch(32.6% 0.123 304.2);

Tailwind

colors: {
  custom: {
    50: '#7b5c92',
    500: '#431d66',
    950: '#000000',
  },
}

SCSS

$custom: #431d66;
$custom-light: #7b5c92;
$custom-dark: #000000;

JSON

{
  "hex": "#431d66",
  "rgb": {
    "r": 67,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 271.233,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32643,
    "c": 0.12304,
    "h": 304.2
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#431D66

secondary

#6E9B44

accent

#DF4991

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #431D66

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

Preview Lab → · Contrast checker → · Palette generator →