#4B1581#4B1581

#4B1581 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.2% C 0.164 H 300.3°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B1581
RGB	rgb(75, 21, 129)
HSL	hsl(270, 72%, 29%)
HSV	hsv(270, 84%, 51%)
CMYK	cmyk(41.9%, 83.7%, 0%, 49.4%)
CIE-LAB	lab(22.36, 45.53, -49.57)
CIE-LCH	lch(22.36, 67.31, 312.57°)
OKLab	oklab(35.16% 0.0829 -0.1418)
OKLCH	oklch(35.16% 0.164 300.3)
XYZ	xyz(7.1313, 3.6171, 21.0871)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1581 #4B8115

analogous

#151581 #4B1581 #811581

triadic

#4B1581 #814B15 #15814B

tetradic

#4B1581 #811515 #4B8115 #158181

square

#4B1581 #811515 #4B8115 #158181

split-complementary

#4B1581 #818115 #158115

monochromatic

#0F041A #2C0C4C #4B1581 #6A1EB6 #8833DE

Accessibility & contrast

On white

12.19

#4B1581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4B1581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1581

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1581	#FFFFFF	#000000	##FFFFFF
##4B1581	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#00357F

Tritanopia (blue-blind)

#3E344C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1581;
/* rgb */ color: rgb(75, 21, 129);
/* oklch */ color: oklch(35.2% 0.164 300.3);

Tailwind

colors: {
  custom: {
    50: '#835aa7',
    500: '#4b1581',
    950: '#000000',
  },
}

SCSS

$custom: #4b1581;
$custom-light: #835aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1581",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 129
  },
  "hsl": {
    "h": 270,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35163,
    "c": 0.16422,
    "h": 300.3
  },
  "luminance": 0.03617
}

Semantic roles & 50–950 ramp

primary

#4B1581

secondary

#79B63C

accent

#EF3994

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1581

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

Preview Lab → · Contrast checker → · Palette generator →