#4B1579#4B1579

#4B1579 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.156 H 303.2°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#4B1579
RGB	rgb(75, 21, 121)
HSL	hsl(272, 70%, 28%)
HSV	hsv(272, 83%, 47%)
CMYK	cmyk(38%, 82.6%, 0%, 52.5%)
CIE-LAB	lab(21.63, 43.54, -45.69)
CIE-LCH	lch(21.63, 63.11, 313.62°)
OKLab	oklab(34.42% 0.0854 -0.1304)
OKLCH	oklch(34.42% 0.156 303.2)
XYZ	xyz(6.6202, 3.4127, 18.3954)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.83

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1579 #437915

analogous

#191579 #4B1579 #791575

triadic

#4B1579 #794B15 #15794B

tetradic

#4B1579 #791915 #437915 #157579

square

#4B1579 #791915 #437915 #157579

split-complementary

#4B1579 #757915 #157919

monochromatic

#10051A #2B0C45 #4B1579 #6B1EAD #8B2EDB

Accessibility & contrast

On white

12.48

#4B1579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#4B1579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1579

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1579	#FFFFFF	#000000	##FFFFFF
##4B1579	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#413047

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b1579;
/* rgb */ color: rgb(75, 21, 121);
/* oklch */ color: oklch(34.4% 0.156 303.2);

Tailwind

colors: {
  custom: {
    50: '#835aa1',
    500: '#4b1579',
    950: '#000000',
  },
}

SCSS

$custom: #4b1579;
$custom-light: #835aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1579",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 121
  },
  "hsl": {
    "h": 272.4,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34424,
    "c": 0.15588,
    "h": 303.2
  },
  "luminance": 0.03413
}

Semantic roles & 50–950 ramp

primary

#4B1579

secondary

#70AF3B

accent

#ED3B8D

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1579

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

Preview Lab → · Contrast checker → · Palette generator →