#63399E#63399E

#63399E is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.9% C 0.157 H 299.1°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#63399E
RGB	rgb(99, 57, 158)
HSL	hsl(265, 47%, 42%)
HSV	hsv(265, 64%, 62%)
CMYK	cmyk(37.3%, 63.9%, 0%, 38%)
CIE-LAB	lab(34.08, 40.28, -48.30)
CIE-LCH	lch(34.08, 62.89, 309.83°)
OKLab	oklab(44.91% 0.0764 -0.1374)
OKLCH	oklch(44.91% 0.157 299.1)
XYZ	xyz(12.7787, 8.0474, 33.2212)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63399E #749E39

analogous

#39429E #63399E #95399E

triadic

#63399E #9E6339 #399E63

tetradic

#63399E #9E3942 #749E39 #399E95

square

#63399E #9E3942 #749E39 #399E95

split-complementary

#63399E #9E9539 #429E39

monochromatic

#2B1944 #472971 #63399E #8153C1 #A280D1

Accessibility & contrast

On white

8.05

#63399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#63399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63399E

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63399E	#FFFFFF	#000000	##FFFFFF
##63399E	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#0A4F9C

Tritanopia (blue-blind)

#564F66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #63399e;
/* rgb */ color: rgb(99, 57, 158);
/* oklch */ color: oklch(44.9% 0.157 299.1);

Tailwind

colors: {
  custom: {
    50: '#9472bb',
    500: '#63399e',
    950: '#000000',
  },
}

SCSS

$custom: #63399e;
$custom-light: #9472bb;
$custom-dark: #000000;

JSON

{
  "hex": "#63399e",
  "rgb": {
    "r": 99,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 264.95,
    "s": 46.977,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44911,
    "c": 0.15717,
    "h": 299.1
  },
  "luminance": 0.08048
}

Semantic roles & 50–950 ramp

primary

#63399E

secondary

#9FBB78

accent

#D7519F

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #63399E

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

Preview Lab → · Contrast checker → · Palette generator →