#63379B#63379B

#63379B is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.4% C 0.156 H 300.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#63379B
RGBrgb(99, 55, 155)
HSLhsl(266, 48%, 41%)
HSVhsv(266, 65%, 61%)
CMYKcmyk(36.1%, 64.5%, 0%, 39.2%)
CIE-LABlab(33.46, 40.58, -47.48)
CIE-LCHlch(33.46, 62.46, 310.52°)
OKLaboklab(44.39% 0.079 -0.135)
OKLCHoklch(44.39% 0.156 300.3)
XYZxyz(12.4267, 7.7515, 31.8455)
Luminance0.0775 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63379B #6F9B37
analogous
#373D9B #63379B #95379B
triadic
#63379B #9B6337 #379B63
tetradic
#63379B #9B373D #6F9B37 #379B95
square
#63379B #9B373D #6F9B37 #379B95
split-complementary
#63379B #9B9537 #3D9B37
monochromatic
#291741 #46276E #63379B #814FC0 #A17CD0

Accessibility & contrast

On white

8.23
#63379B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#63379B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63379B
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63379B#FFFFFF#000000##FFFFFF
##63379B1.008.232.558.23
#FFFFFF8.231.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004E9E
Deuteranopia (green-blind)
#0D4E99
Tritanopia (blue-blind)
#574D64
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #63379b;
/* rgb */ color: rgb(99, 55, 155);
/* oklch */ color: oklch(44.4% 0.156 300.3);
Tailwind
colors: {
  custom: {
    50: '#9470b9',
    500: '#63379b',
    950: '#000000',
  },
}
SCSS
$custom: #63379b;
$custom-light: #9470b9;
$custom-dark: #000000;
JSON
{
  "hex": "#63379b",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 266.4,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44392,
    "c": 0.15639,
    "h": 300.3
  },
  "luminance": 0.07752
}

Semantic roles & 50–950 ramp

primary
#63379B
secondary
#9BBA74
accent
#D7519C
background
#F9F6FB
surface
#F2ECF6
border
#CCC7D0
text
#0E0811
muted
#7E7B80

Preview Lab

Preview with #63379B

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

Preview Lab → · Contrast checker → · Palette generator →

#63379B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva