#431F78#431F78

#431F78 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.142 H 296.7°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#431F78
RGB	rgb(67, 31, 120)
HSL	hsl(264, 59%, 30%)
HSV	hsv(264, 74%, 47%)
CMYK	cmyk(44.2%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(22.05, 37.20, -44.41)
CIE-LCH	lch(22.05, 57.93, 309.95°)
OKLab	oklab(34.45% 0.0638 -0.127)
OKLCH	oklch(34.45% 0.142 296.7)
XYZ	xyz(6.1940, 3.5292, 18.1205)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F78 #54781F

analogous

#1F2778 #431F78 #701F78

triadic

#431F78 #78431F #1F7843

tetradic

#431F78 #781F27 #54781F #1F7870

square

#431F78 #781F27 #54781F #1F7870

split-complementary

#431F78 #78701F #27781F

monochromatic

#0E0618 #281247 #431F78 #5E2CA9 #7B43CE

Accessibility & contrast

On white

12.31

#431F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#431F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F78

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F78	#FFFFFF	#000000	##FFFFFF
##431F78	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#353549

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #431f78;
/* rgb */ color: rgb(67, 31, 120);
/* oklch */ color: oklch(34.5% 0.142 296.7);

Tailwind

colors: {
  custom: {
    50: '#7d5ea0',
    500: '#431f78',
    950: '#000000',
  },
}

SCSS

$custom: #431f78;
$custom-light: #7d5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#431f78",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 264.27,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34454,
    "c": 0.14211,
    "h": 296.7
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#431F78

secondary

#83AB47

accent

#E246A3

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #431F78

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

Preview Lab → · Contrast checker → · Palette generator →