#63188B#63188B

#63188B is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.177 H 309.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#63188B
RGB	rgb(99, 24, 139)
HSL	hsl(279, 71%, 32%)
HSV	hsv(279, 83%, 55%)
CMYK	cmyk(28.8%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(27.21, 50.80, -47.77)
CIE-LCH	lch(27.21, 69.74, 316.76°)
OKLab	oklab(39.57% 0.1135 -0.1356)
OKLCH	oklch(39.57% 0.177 309.9)
XYZ	xyz(10.1315, 5.1702, 24.8853)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63188B #408B18

analogous

#29188B #63188B #8B187A

triadic

#63188B #8B6318 #188B63

tetradic

#63188B #8B2918 #408B18 #187A8B

square

#63188B #8B2918 #408B18 #187A8B

split-complementary

#63188B #7A8B18 #188B29

monochromatic

#190623 #3E0F57 #63188B #8821BF #A73FDE

Accessibility & contrast

On white

10.32

#63188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#63188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63188B

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63188B	#FFFFFF	#000000	##FFFFFF
##63188B	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#5D3652

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #63188b;
/* rgb */ color: rgb(99, 24, 139);
/* oklch */ color: oklch(39.6% 0.177 309.9);

Tailwind

colors: {
  custom: {
    50: '#9460ae',
    500: '#63188b',
    950: '#000000',
  },
}

SCSS

$custom: #63188b;
$custom-light: #9460ae;
$custom-dark: #000000;

JSON

{
  "hex": "#63188b",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 279.13,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39565,
    "c": 0.17688,
    "h": 309.9
  },
  "luminance": 0.0517
}

Semantic roles & 50–950 ramp

primary

#63188B

secondary

#6CBE40

accent

#ED3A79

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #63188B

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

Preview Lab → · Contrast checker → · Palette generator →