#4B105A#4B105A

#4B105A is a dark, vivid purple. Relative luminance 0.026; OKLCH L 31.3% C 0.130 H 318.4°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#4B105A
RGB	rgb(75, 16, 90)
HSL	hsl(288, 70%, 21%)
HSV	hsv(288, 82%, 35%)
CMYK	cmyk(16.7%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(18.39, 38.28, -30.69)
CIE-LCH	lch(18.39, 49.06, 321.28°)
OKLab	oklab(31.35% 0.0972 -0.0863)
OKLCH	oklch(31.35% 0.13 318.4)
XYZ	xyz(4.9322, 2.6049, 9.9139)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B105A #1F5A10

analogous

#26105A #4B105A #5A1044

triadic

#4B105A #5A4B10 #105A4B

tetradic

#4B105A #5A2610 #1F5A10 #10445A

square

#4B105A #5A2610 #1F5A10 #10445A

split-complementary

#4B105A #445A10 #105A26

monochromatic

#16051A #200726 #4B105A #76198E #A222C2

Accessibility & contrast

On white

13.81

#4B105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#4B105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B105A

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B105A	#FFFFFF	#000000	##FFFFFF
##4B105A	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295C

Deuteranopia (green-blind)

#142F58

Tritanopia (blue-blind)

#4B2035

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #4b105a;
/* rgb */ color: rgb(75, 16, 90);
/* oklch */ color: oklch(31.3% 0.130 318.4);

Tailwind

colors: {
  custom: {
    50: '#805689',
    500: '#4b105a',
    950: '#000000',
  },
}

SCSS

$custom: #4b105a;
$custom-light: #805689;
$custom-dark: #000000;

JSON

{
  "hex": "#4b105a",
  "rgb": {
    "r": 75,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 287.838,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31345,
    "c": 0.12996,
    "h": 318.4
  },
  "luminance": 0.02605
}

Semantic roles & 50–950 ramp

primary

#4B105A

secondary

#469333

accent

#ED3B5F

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B030B

muted

#7C787C

Preview Lab

Preview with #4B105A

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

Preview Lab → · Contrast checker → · Palette generator →