#4C178E#4C178E

#4C178E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.176 H 296.5°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#4C178E
RGB	rgb(76, 23, 142)
HSL	hsl(267, 72%, 32%)
HSV	hsv(267, 84%, 56%)
CMYK	cmyk(46.5%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(24.01, 48.21, -55.02)
CIE-LCH	lch(24.01, 73.15, 311.22°)
OKLab	oklab(36.71% 0.0785 -0.1577)
OKLCH	oklch(36.71% 0.176 296.5)
XYZ	xyz(8.1681, 4.1021, 25.9474)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C178E #598E17

analogous

#171D8E #4C178E #88178E

triadic

#4C178E #8E4C17 #178E4C

tetradic

#4C178E #8E171D #598E17 #178E88

square

#4C178E #8E171D #598E17 #178E88

split-complementary

#4C178E #8E8817 #1D8E17

monochromatic

#140625 #300E59 #4C178E #6820C3 #873FE0

Accessibility & contrast

On white

11.54

#4C178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#4C178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C178E

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C178E	#FFFFFF	#000000	##FFFFFF
##4C178E	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#3A3A54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4c178e;
/* rgb */ color: rgb(76, 23, 142);
/* oklch */ color: oklch(36.7% 0.176 296.5);

Tailwind

colors: {
  custom: {
    50: '#865cb0',
    500: '#4c178e',
    950: '#000000',
  },
}

SCSS

$custom: #4c178e;
$custom-light: #865cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c178e",
  "rgb": {
    "r": 76,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 266.723,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36711,
    "c": 0.17619,
    "h": 296.5
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#4C178E

secondary

#87C040

accent

#EF399E

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0411

muted

#7D7980

Preview Lab

Preview with #4C178E

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

Preview Lab → · Contrast checker → · Palette generator →