#63188C#63188C

#63188C is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.178 H 309.6°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#63188C
RGB	rgb(99, 24, 140)
HSL	hsl(279, 71%, 32%)
HSV	hsv(279, 83%, 55%)
CMYK	cmyk(29.3%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(27.30, 51.02, -48.26)
CIE-LCH	lch(27.30, 70.23, 316.59°)
OKLab	oklab(39.65% 0.1133 -0.1371)
OKLCH	oklch(39.65% 0.178 309.6)
XYZ	xyz(10.2049, 5.1996, 25.2719)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63188C #418C18

analogous

#29188C #63188C #8C187B

triadic

#63188C #8C6318 #188C63

tetradic

#63188C #8C2918 #418C18 #187B8C

square

#63188C #8C2918 #418C18 #187B8C

split-complementary

#63188C #7B8C18 #188C29

monochromatic

#190624 #3E0F58 #63188C #8821C0 #A640DE

Accessibility & contrast

On white

10.30

#63188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#63188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63188C

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63188C	#FFFFFF	#000000	##FFFFFF
##63188C	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8F

Deuteranopia (green-blind)

#00418A

Tritanopia (blue-blind)

#5D3653

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #63188c;
/* rgb */ color: rgb(99, 24, 140);
/* oklch */ color: oklch(39.6% 0.178 309.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63188c",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 278.793,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39647,
    "c": 0.17782,
    "h": 309.6
  },
  "luminance": 0.05199
}

Semantic roles & 50–950 ramp

primary

#63188C

secondary

#6DBF41

accent

#ED3A7A

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #63188C

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

Preview Lab → · Contrast checker → · Palette generator →