#4C1781#4C1781

#4C1781 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.5% C 0.163 H 300.7°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C1781
RGB	rgb(76, 23, 129)
HSL	hsl(270, 70%, 30%)
HSV	hsv(270, 82%, 51%)
CMYK	cmyk(41.1%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(22.77, 44.91, -48.89)
CIE-LCH	lch(22.77, 66.39, 312.57°)
OKLab	oklab(35.48% 0.0829 -0.1398)
OKLCH	oklch(35.48% 0.163 300.7)
XYZ	xyz(7.2484, 3.7342, 21.1035)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.62

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C1781 #4C8117

analogous

#171781 #4C1781 #811781

triadic

#4C1781 #814C17 #17814C

tetradic

#4C1781 #811717 #4C8117 #178181

square

#4C1781 #811717 #4C8117 #178181

split-complementary

#4C1781 #818117 #178117

monochromatic

#0F051A #2D0E4D #4C1781 #6B20B5 #8937DB

Accessibility & contrast

On white

12.02

#4C1781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#4C1781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C1781

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C1781	#FFFFFF	#000000	##FFFFFF
##4C1781	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#40344C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4c1781;
/* rgb */ color: rgb(76, 23, 129);
/* oklch */ color: oklch(35.5% 0.163 300.7);

Tailwind

colors: {
  custom: {
    50: '#845ba6',
    500: '#4c1781',
    950: '#000000',
  },
}

SCSS

$custom: #4c1781;
$custom-light: #845ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c1781",
  "rgb": {
    "r": 76,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 270,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35478,
    "c": 0.1625,
    "h": 300.7
  },
  "luminance": 0.03734
}

Semantic roles & 50–950 ramp

primary

#4C1781

secondary

#7AB53E

accent

#ED3B94

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4C1781

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

Preview Lab → · Contrast checker → · Palette generator →