#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
RGBrgb(99, 24, 140)
HSLhsl(279, 71%, 32%)
HSVhsv(279, 83%, 55%)
CMYKcmyk(29.3%, 82.9%, 0%, 45.1%)
CIE-LABlab(27.30, 51.02, -48.26)
CIE-LCHlch(27.30, 70.23, 316.59°)
OKLaboklab(39.65% 0.1133 -0.1371)
OKLCHoklch(39.65% 0.178 309.6)
XYZxyz(10.2049, 5.1996, 25.2719)
Luminance0.0520 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

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
##63188C1.0010.302.0410.30
#FFFFFF10.301.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.301.0021.001.00

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 →

#63188C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva