#4B2578#4B2578

#4B2578 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.3% C 0.135 H 300.8°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B2578
RGB	rgb(75, 37, 120)
HSL	hsl(267, 53%, 31%)
HSV	hsv(267, 69%, 47%)
CMYK	cmyk(37.5%, 69.2%, 0%, 52.9%)
CIE-LAB	lab(24.24, 35.65, -40.80)
CIE-LCH	lch(24.24, 54.18, 311.15°)
OKLab	oklab(36.25% 0.0693 -0.1161)
OKLCH	oklch(36.25% 0.135 300.8)
XYZ	xyz(6.9526, 4.1750, 18.2052)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.94

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B2578 #527825

analogous

#252878 #4B2578 #742578

triadic

#4B2578 #784B25 #25784B

tetradic

#4B2578 #782528 #527825 #257874

square

#4B2578 #782528 #527825 #257874

split-complementary

#4B2578 #787425 #287825

monochromatic

#11081A #2E1749 #4B2578 #6833A7 #874FC9

Accessibility & contrast

On white

11.44

#4B2578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#4B2578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B2578

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B2578	#FFFFFF	#000000	##FFFFFF
##4B2578	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#41384B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #4b2578;
/* rgb */ color: rgb(75, 37, 120);
/* oklch */ color: oklch(36.3% 0.135 300.8);

Tailwind

colors: {
  custom: {
    50: '#8162a0',
    500: '#4b2578',
    950: '#000000',
  },
}

SCSS

$custom: #4b2578;
$custom-light: #8162a0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b2578",
  "rgb": {
    "r": 75,
    "g": 37,
    "b": 120
  },
  "hsl": {
    "h": 267.47,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3625,
    "c": 0.13521,
    "h": 300.8
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#4B2578

secondary

#80AA4E

accent

#DC4C9A

background

#F8F5F9

surface

#EFEAF2

border

#CAC6CC

text

#0B050F

muted

#7C797E

Preview Lab

Preview with #4B2578

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

Preview Lab → · Contrast checker → · Palette generator →