#4B1B8B#4B1B8B

#4B1B8B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.169 H 296.3°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B8B
RGB	rgb(75, 27, 139)
HSL	hsl(266, 67%, 33%)
HSV	hsv(266, 81%, 55%)
CMYK	cmyk(46%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(24.14, 45.67, -52.94)
CIE-LCH	lch(24.14, 69.91, 310.78°)
OKLab	oklab(36.69% 0.075 -0.1517)
OKLCH	oklch(36.69% 0.169 296.3)
XYZ	xyz(7.9525, 4.1436, 24.8019)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B8B #5B8B1B

analogous

#1B238B #4B1B8B #831B8B

triadic

#4B1B8B #8B4B1B #1B8B4B

tetradic

#4B1B8B #8B1B23 #5B8B1B #1B8B83

square

#4B1B8B #8B1B23 #5B8B1B #1B8B83

split-complementary

#4B1B8B #8B831B #238B1B

monochromatic

#140725 #2F1158 #4B1B8B #6725BE #8645DB

Accessibility & contrast

On white

11.48

#4B1B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#4B1B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B8B

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B8B	#FFFFFF	#000000	##FFFFFF
##4B1B8B	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#393A53

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4b1b8b;
/* rgb */ color: rgb(75, 27, 139);
/* oklch */ color: oklch(36.7% 0.169 296.3);

Tailwind

colors: {
  custom: {
    50: '#845eae',
    500: '#4b1b8b',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b8b;
$custom-light: #845eae;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b8b",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 265.714,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36687,
    "c": 0.16921,
    "h": 296.3
  },
  "luminance": 0.04144
}

Semantic roles & 50–950 ramp

primary

#4B1B8B

secondary

#89BC45

accent

#EA3DA0

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #4B1B8B

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

Preview Lab → · Contrast checker → · Palette generator →