#4C187A#4C187A

#4C187A is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.154 H 303.1°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#4C187A
RGB	rgb(76, 24, 122)
HSL	hsl(272, 67%, 29%)
HSV	hsv(272, 80%, 48%)
CMYK	cmyk(37.7%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(22.28, 42.74, -45.25)
CIE-LCH	lch(22.28, 62.25, 313.37°)
OKLab	oklab(34.94% 0.0841 -0.1291)
OKLCH	oklch(34.94% 0.154 303.1)
XYZ	xyz(6.8191, 3.5949, 18.7432)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.21

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C187A #467A18

analogous

#1B187A #4C187A #7A1877

triadic

#4C187A #7A4C18 #187A4C

tetradic

#4C187A #7A1B18 #467A18 #18777A

square

#4C187A #7A1B18 #467A18 #18777A

split-complementary

#4C187A #777A18 #187A1B

monochromatic

#10051A #2C0E47 #4C187A #6C22AD #8B35D7

Accessibility & contrast

On white

12.22

#4C187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4C187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C187A

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C187A	#FFFFFF	#000000	##FFFFFF
##4C187A	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#003578

Tritanopia (blue-blind)

#423249

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4c187a;
/* rgb */ color: rgb(76, 24, 122);
/* oklch */ color: oklch(34.9% 0.154 303.1);

Tailwind

colors: {
  custom: {
    50: '#835ba1',
    500: '#4c187a',
    950: '#000000',
  },
}

SCSS

$custom: #4c187a;
$custom-light: #835ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c187a",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 271.837,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34943,
    "c": 0.15405,
    "h": 303.1
  },
  "luminance": 0.03595
}

Semantic roles & 50–950 ramp

primary

#4C187A

secondary

#73AF3F

accent

#EA3E8F

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4C187A

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

Preview Lab → · Contrast checker → · Palette generator →