#4B105E#4B105E

#4B105E is a dark, vivid purple. Relative luminance 0.027; OKLCH L 31.7% C 0.134 H 316.2°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#4B105E
RGB	rgb(75, 16, 94)
HSL	hsl(285, 71%, 22%)
HSV	hsv(285, 83%, 37%)
CMYK	cmyk(20.2%, 83%, 0%, 63.1%)
CIE-LAB	lab(18.69, 39.14, -32.87)
CIE-LCH	lch(18.69, 51.11, 319.98°)
OKLab	oklab(31.66% 0.0966 -0.0927)
OKLCH	oklch(31.66% 0.134 316.2)
XYZ	xyz(5.1070, 2.6748, 10.8348)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 3.73

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B105E #235E10

analogous

#24105E #4B105E #5E104A

triadic

#4B105E #5E4B10 #105E4B

tetradic

#4B105E #5E2410 #235E10 #104A5E

square

#4B105E #5E2410 #235E10 #104A5E

split-complementary

#4B105E #4A5E10 #105E24

monochromatic

#15041A #21072A #4B105E #751992 #9E22C7

Accessibility & contrast

On white

13.68

#4B105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#4B105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B105E

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B105E	#FFFFFF	#000000	##FFFFFF
##4B105E	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A60

Deuteranopia (green-blind)

#0F2F5C

Tritanopia (blue-blind)

#4A2237

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #4b105e;
/* rgb */ color: rgb(75, 16, 94);
/* oklch */ color: oklch(31.7% 0.134 316.2);

Tailwind

colors: {
  custom: {
    50: '#81568c',
    500: '#4b105e',
    950: '#000000',
  },
}

SCSS

$custom: #4b105e;
$custom-light: #81568c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b105e",
  "rgb": {
    "r": 75,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 285.385,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31657,
    "c": 0.13383,
    "h": 316.2
  },
  "luminance": 0.02675
}

Semantic roles & 50–950 ramp

primary

#4B105E

secondary

#4B9733

accent

#EE3A66

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B030C

muted

#7C787D

Preview Lab

Preview with #4B105E

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

Preview Lab → · Contrast checker → · Palette generator →