#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
RGB	rgb(99, 55, 155)
HSL	hsl(266, 48%, 41%)
HSV	hsv(266, 65%, 61%)
CMYK	cmyk(36.1%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(33.46, 40.58, -47.48)
CIE-LCH	lch(33.46, 62.46, 310.52°)
OKLab	oklab(44.39% 0.079 -0.135)
OKLCH	oklch(44.39% 0.156 300.3)
XYZ	xyz(12.4267, 7.7515, 31.8455)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	violet

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
##63379B	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

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 →