#4C188B#4C188B

#4C188B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.172 H 297.3°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#4C188B
RGB	rgb(76, 24, 139)
HSL	hsl(267, 71%, 32%)
HSV	hsv(267, 83%, 55%)
CMYK	cmyk(45.3%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(23.85, 47.05, -53.41)
CIE-LCH	lch(23.85, 71.18, 311.38°)
OKLab	oklab(36.51% 0.0789 -0.153)
OKLCH	oklch(36.51% 0.172 297.3)
XYZ	xyz(7.9661, 4.0537, 24.7838)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C188B #578B18

analogous

#181E8B #4C188B #85188B

triadic

#4C188B #8B4C18 #188B4C

tetradic

#4C188B #8B181E #578B18 #188B85

square

#4C188B #8B181E #578B18 #188B85

split-complementary

#4C188B #8B8518 #1E8B18

monochromatic

#130623 #2F0F57 #4C188B #6921BF #873FDE

Accessibility & contrast

On white

11.60

#4C188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#4C188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C188B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C188B	#FFFFFF	#000000	##FFFFFF
##4C188B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#3B3952

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4c188b;
/* rgb */ color: rgb(76, 24, 139);
/* oklch */ color: oklch(36.5% 0.172 297.3);

Tailwind

colors: {
  custom: {
    50: '#855cae',
    500: '#4c188b',
    950: '#000000',
  },
}

SCSS

$custom: #4c188b;
$custom-light: #855cae;
$custom-dark: #000000;

JSON

{
  "hex": "#4c188b",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 267.13,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36513,
    "c": 0.17215,
    "h": 297.3
  },
  "luminance": 0.04054
}

Semantic roles & 50–950 ramp

primary

#4C188B

secondary

#85BE40

accent

#ED3A9C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #4C188B

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

Preview Lab → · Contrast checker → · Palette generator →