#63178A#63178A

#63178A is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.4% C 0.177 H 310.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#63178A
RGB	rgb(99, 23, 138)
HSL	hsl(280, 71%, 32%)
HSV	hsv(280, 83%, 54%)
CMYK	cmyk(28.3%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(27.02, 50.92, -47.47)
CIE-LCH	lch(27.02, 69.61, 317.01°)
OKLab	oklab(39.4% 0.1146 -0.1347)
OKLCH	oklch(39.4% 0.177 310.4)
XYZ	xyz(10.0385, 5.1007, 24.4955)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63178A #3E8A17

analogous

#29178A #63178A #8A1778

triadic

#63178A #8A6317 #178A63

tetradic

#63178A #8A2917 #3E8A17 #17788A

square

#63178A #8A2917 #3E8A17 #17788A

split-complementary

#63178A #788A17 #178A29

monochromatic

#180621 #3D0E56 #63178A #8920BE #A83DDF

Accessibility & contrast

On white

10.40

#63178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#63178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63178A

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63178A	#FFFFFF	#000000	##FFFFFF
##63178A	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#004188

Tritanopia (blue-blind)

#5D3552

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #63178a;
/* rgb */ color: rgb(99, 23, 138);
/* oklch */ color: oklch(39.4% 0.177 310.4);

Tailwind

colors: {
  custom: {
    50: '#945fad',
    500: '#63178a',
    950: '#000000',
  },
}

SCSS

$custom: #63178a;
$custom-light: #945fad;
$custom-dark: #000000;

JSON

{
  "hex": "#63178a",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 279.652,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39403,
    "c": 0.17685,
    "h": 310.4
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#63178A

secondary

#6ABE3F

accent

#EE3A77

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #63178A

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

Preview Lab → · Contrast checker → · Palette generator →