#4B1B84#4B1B84

#4B1B84 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.162 H 298.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B84
RGB	rgb(75, 27, 132)
HSL	hsl(267, 66%, 31%)
HSV	hsv(267, 80%, 52%)
CMYK	cmyk(43.2%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(23.49, 43.83, -49.62)
CIE-LCH	lch(23.49, 66.21, 311.46°)
OKLab	oklab(36.03% 0.0771 -0.142)
OKLCH	oklch(36.03% 0.162 298.5)
XYZ	xyz(7.4574, 3.9455, 22.1940)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B84 #54841B

analogous

#1B1F84 #4B1B84 #7F1B84

triadic

#4B1B84 #844B1B #1B844B

tetradic

#4B1B84 #841B1F #54841B #1B847F

square

#4B1B84 #841B1F #54841B #1B847F

split-complementary

#4B1B84 #847F1B #1F841B

monochromatic

#11061E #2E1151 #4B1B84 #6825B7 #8641D8

Accessibility & contrast

On white

11.74

#4B1B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#4B1B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B84

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B84	#FFFFFF	#000000	##FFFFFF
##4B1B84	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003887

Deuteranopia (green-blind)

#003782

Tritanopia (blue-blind)

#3D374F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #4b1b84;
/* rgb */ color: rgb(75, 27, 132);
/* oklch */ color: oklch(36.0% 0.162 298.5);

Tailwind

colors: {
  custom: {
    50: '#835da9',
    500: '#4b1b84',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b84;
$custom-light: #835da9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b84",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 267.429,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36034,
    "c": 0.16153,
    "h": 298.5
  },
  "luminance": 0.03946
}

Semantic roles & 50–950 ramp

primary

#4B1B84

secondary

#82B743

accent

#E93F9B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #4B1B84

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

Preview Lab → · Contrast checker → · Palette generator →