#4C187B#4C187B

#4C187B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.155 H 302.7°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#4C187B
RGB	rgb(76, 24, 123)
HSL	hsl(272, 67%, 29%)
HSV	hsv(272, 80%, 48%)
CMYK	cmyk(38.2%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(22.37, 42.99, -45.74)
CIE-LCH	lch(22.37, 62.78, 313.23°)
OKLab	oklab(35.03% 0.0838 -0.1305)
OKLCH	oklch(35.03% 0.155 302.7)
XYZ	xyz(6.8814, 3.6198, 19.0712)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.12

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C187B #477B18

analogous

#1B187B #4C187B #7B1879

triadic

#4C187B #7B4C18 #187B4C

tetradic

#4C187B #7B1B18 #477B18 #18797B

square

#4C187B #7B1B18 #477B18 #18797B

split-complementary

#4C187B #797B18 #187B1B

monochromatic

#10051A #2C0E48 #4C187B #6C22AE #8B36D8

Accessibility & contrast

On white

12.18

#4C187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4C187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C187B

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C187B	#FFFFFF	#000000	##FFFFFF
##4C187B	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#423249

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4c187b;
/* rgb */ color: rgb(76, 24, 123);
/* oklch */ color: oklch(35.0% 0.155 302.7);

Tailwind

colors: {
  custom: {
    50: '#835ca2',
    500: '#4c187b',
    950: '#000000',
  },
}

SCSS

$custom: #4c187b;
$custom-light: #835ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c187b",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 271.515,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.15512,
    "h": 302.7
  },
  "luminance": 0.0362
}

Semantic roles & 50–950 ramp

primary

#4C187B

secondary

#75B03F

accent

#EA3E90

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4C187B

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

Preview Lab → · Contrast checker → · Palette generator →