#4C1579#4C1579

#4C1579 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.156 H 303.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#4C1579
RGB	rgb(76, 21, 121)
HSL	hsl(273, 70%, 28%)
HSV	hsv(273, 83%, 47%)
CMYK	cmyk(37.2%, 82.6%, 0%, 52.5%)
CIE-LAB	lab(21.77, 43.71, -45.44)
CIE-LCH	lch(21.77, 63.05, 313.89°)
OKLab	oklab(34.56% 0.087 -0.1296)
OKLCH	oklch(34.56% 0.156 303.9)
XYZ	xyz(6.6990, 3.4533, 18.3991)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.88

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C1579 #427915

analogous

#1A1579 #4C1579 #791574

triadic

#4C1579 #794C15 #15794C

tetradic

#4C1579 #791A15 #427915 #157479

square

#4C1579 #791A15 #427915 #157479

split-complementary

#4C1579 #747915 #15791A

monochromatic

#10051A #2B0C45 #4C1579 #6D1EAD #8D2EDB

Accessibility & contrast

On white

12.42

#4C1579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4C1579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C1579

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C1579	#FFFFFF	#000000	##FFFFFF
##4C1579	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#433047

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4c1579;
/* rgb */ color: rgb(76, 21, 121);
/* oklch */ color: oklch(34.6% 0.156 303.9);

Tailwind

colors: {
  custom: {
    50: '#835aa1',
    500: '#4c1579',
    950: '#000000',
  },
}

SCSS

$custom: #4c1579;
$custom-light: #835aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c1579",
  "rgb": {
    "r": 76,
    "g": 21,
    "b": 121
  },
  "hsl": {
    "h": 273,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3456,
    "c": 0.15609,
    "h": 303.9
  },
  "luminance": 0.03453
}

Semantic roles & 50–950 ramp

primary

#4C1579

secondary

#6FAF3B

accent

#ED3B8B

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4C1579

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

Preview Lab → · Contrast checker → · Palette generator →