#4B178D#4B178D

#4B178D is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.175 H 296.2°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B178D
RGB	rgb(75, 23, 141)
HSL	hsl(266, 72%, 32%)
HSV	hsv(266, 84%, 55%)
CMYK	cmyk(46.8%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(23.78, 47.81, -54.78)
CIE-LCH	lch(23.78, 72.71, 311.11°)
OKLab	oklab(36.49% 0.0773 -0.1571)
OKLCH	oklch(36.49% 0.175 296.2)
XYZ	xyz(8.0145, 4.0315, 25.5500)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B178D #598D17

analogous

#171E8D #4B178D #86178D

triadic

#4B178D #8D4B17 #178D4B

tetradic

#4B178D #8D171E #598D17 #178D86

square

#4B178D #8D171E #598D17 #178D86

split-complementary

#4B178D #8D8617 #1E8D17

monochromatic

#130624 #2F0E58 #4B178D #6720C2 #863FE0

Accessibility & contrast

On white

11.63

#4B178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#4B178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B178D

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B178D	#FFFFFF	#000000	##FFFFFF
##4B178D	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#383A53

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4b178d;
/* rgb */ color: rgb(75, 23, 141);
/* oklch */ color: oklch(36.5% 0.175 296.2);

Tailwind

colors: {
  custom: {
    50: '#855caf',
    500: '#4b178d',
    950: '#000000',
  },
}

SCSS

$custom: #4b178d;
$custom-light: #855caf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b178d",
  "rgb": {
    "r": 75,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 266.441,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36492,
    "c": 0.17505,
    "h": 296.2
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#4B178D

secondary

#87C040

accent

#EF399F

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0411

muted

#7D7980

Preview Lab

Preview with #4B178D

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

Preview Lab → · Contrast checker → · Palette generator →