#4B1381#4B1381

#4B1381 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 35.0% C 0.166 H 300.5°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#4B1381
RGB	rgb(75, 19, 129)
HSL	hsl(271, 74%, 29%)
HSV	hsv(271, 85%, 51%)
CMYK	cmyk(41.9%, 85.3%, 0%, 49.4%)
CIE-LAB	lab(22.11, 46.26, -49.98)
CIE-LCH	lch(22.11, 68.11, 312.79°)
OKLab	oklab(34.99% 0.0844 -0.143)
OKLCH	oklch(34.99% 0.166 300.5)
XYZ	xyz(7.0960, 3.5465, 21.0753)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1381 #498113

analogous

#141381 #4B1381 #811380

triadic

#4B1381 #814B13 #13814B

tetradic

#4B1381 #811413 #498113 #138081

square

#4B1381 #811413 #498113 #138081

split-complementary

#4B1381 #808113 #138114

monochromatic

#10041B #2C0B4C #4B1381 #6A1BB6 #892EE0

Accessibility & contrast

On white

12.29

#4B1381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#4B1381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1381

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1381	#FFFFFF	#000000	##FFFFFF
##4B1381	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#3E334C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1381;
/* rgb */ color: rgb(75, 19, 129);
/* oklch */ color: oklch(35.0% 0.166 300.5);

Tailwind

colors: {
  custom: {
    50: '#845aa7',
    500: '#4b1381',
    950: '#000000',
  },
}

SCSS

$custom: #4b1381;
$custom-light: #845aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1381",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 129
  },
  "hsl": {
    "h": 270.545,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34989,
    "c": 0.16599,
    "h": 300.5
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#4B1381

secondary

#77B63A

accent

#F13792

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1381

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

Preview Lab → · Contrast checker → · Palette generator →