#431C78#431C78

#431C78 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.146 H 297.3°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#431C78
RGB	rgb(67, 28, 120)
HSL	hsl(265, 62%, 29%)
HSV	hsv(265, 77%, 47%)
CMYK	cmyk(44.2%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(21.50, 38.74, -45.30)
CIE-LCH	lch(21.50, 59.60, 310.54°)
OKLab	oklab(34.07% 0.0668 -0.1296)
OKLCH	oklch(34.07% 0.146 297.3)
XYZ	xyz(6.1193, 3.3797, 18.0956)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.18

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431C78 #51781C

analogous

#1C2378 #431C78 #711C78

triadic

#431C78 #78431C #1C7843

tetradic

#431C78 #781C23 #51781C #1C7871

square

#431C78 #781C23 #51781C #1C7871

split-complementary

#431C78 #78711C #23781C

monochromatic

#0E0619 #271046 #431C78 #5F28AA #7C3DD2

Accessibility & contrast

On white

12.53

#431C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#431C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431C78

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431C78	#FFFFFF	#000000	##FFFFFF
##431C78	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#353448

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #431c78;
/* rgb */ color: rgb(67, 28, 120);
/* oklch */ color: oklch(34.1% 0.146 297.3);

Tailwind

colors: {
  custom: {
    50: '#7d5ca0',
    500: '#431c78',
    950: '#000000',
  },
}

SCSS

$custom: #431c78;
$custom-light: #7d5ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#431c78",
  "rgb": {
    "r": 67,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 265.435,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34069,
    "c": 0.14579,
    "h": 297.3
  },
  "luminance": 0.0338
}

Semantic roles & 50–950 ramp

primary

#431C78

secondary

#80AC44

accent

#E543A0

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #431C78

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

Preview Lab → · Contrast checker → · Palette generator →