#4E1B81#4E1B81

#4E1B81 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.159 H 301.3°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#4E1B81
RGB	rgb(78, 27, 129)
HSL	hsl(270, 65%, 31%)
HSV	hsv(270, 79%, 51%)
CMYK	cmyk(39.5%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(23.63, 43.58, -47.48)
CIE-LCH	lch(23.63, 64.45, 312.55°)
OKLab	oklab(36.14% 0.0826 -0.1356)
OKLCH	oklch(36.14% 0.159 301.3)
XYZ	xyz(7.4953, 3.9885, 21.1396)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.35

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E1B81 #4E811B

analogous

#1B1B81 #4E1B81 #811B81

triadic

#4E1B81 #814E1B #1B814E

tetradic

#4E1B81 #811B1B #4E811B #1B8181

square

#4E1B81 #811B1B #4E811B #1B8181

split-complementary

#4E1B81 #81811B #1B811B

monochromatic

#11061C #2F104E #4E1B81 #6D26B4 #8B3FD7

Accessibility & contrast

On white

11.68

#4E1B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#4E1B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E1B81

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E1B81	#FFFFFF	#000000	##FFFFFF
##4E1B81	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#43364D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #4e1b81;
/* rgb */ color: rgb(78, 27, 129);
/* oklch */ color: oklch(36.1% 0.159 301.3);

Tailwind

colors: {
  custom: {
    50: '#855ea6',
    500: '#4e1b81',
    950: '#000000',
  },
}

SCSS

$custom: #4e1b81;
$custom-light: #855ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e1b81",
  "rgb": {
    "r": 78,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 270,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3614,
    "c": 0.15873,
    "h": 301.3
  },
  "luminance": 0.03989
}

Semantic roles & 50–950 ramp

primary

#4E1B81

secondary

#7CB543

accent

#E83F94

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #4E1B81

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

Preview Lab → · Contrast checker → · Palette generator →