#4B105B#4B105B

#4B105B is a dark, vivid purple. Relative luminance 0.026; OKLCH L 31.4% C 0.131 H 317.8°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B105B
RGB	rgb(75, 16, 91)
HSL	hsl(287, 70%, 21%)
HSV	hsv(287, 82%, 36%)
CMYK	cmyk(17.6%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(18.46, 38.49, -31.24)
CIE-LCH	lch(18.46, 49.57, 320.94°)
OKLab	oklab(31.42% 0.0971 -0.0879)
OKLCH	oklch(31.42% 0.131 317.8)
XYZ	xyz(4.9750, 2.6220, 10.1395)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B105B #205B10

analogous

#25105B #4B105B #5B1045

triadic

#4B105B #5B4B10 #105B4B

tetradic

#4B105B #5B2510 #205B10 #10455B

square

#4B105B #5B2510 #205B10 #10455B

split-complementary

#4B105B #455B10 #105B25

monochromatic

#15051A #200727 #4B105B #76198F #A122C3

Accessibility & contrast

On white

13.78

#4B105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#4B105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B105B

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B105B	#FFFFFF	#000000	##FFFFFF
##4B105B	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#132F59

Tritanopia (blue-blind)

#4A2035

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #4b105b;
/* rgb */ color: rgb(75, 16, 91);
/* oklch */ color: oklch(31.4% 0.131 317.8);

Tailwind

colors: {
  custom: {
    50: '#80568a',
    500: '#4b105b',
    950: '#000000',
  },
}

SCSS

$custom: #4b105b;
$custom-light: #80568a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b105b",
  "rgb": {
    "r": 75,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 287.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31422,
    "c": 0.13093,
    "h": 317.8
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#4B105B

secondary

#479433

accent

#ED3B61

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B030C

muted

#7C787D

Preview Lab

Preview with #4B105B

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

Preview Lab → · Contrast checker → · Palette generator →