#63339B#63339B

#63339B is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.8% C 0.162 H 301.1°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#63339B
RGB	rgb(99, 51, 155)
HSL	hsl(268, 50%, 40%)
HSV	hsv(268, 67%, 61%)
CMYK	cmyk(36.1%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(32.67, 42.73, -48.76)
CIE-LCH	lch(32.67, 64.83, 311.23°)
OKLab	oklab(43.82% 0.0837 -0.1387)
OKLCH	oklch(43.82% 0.162 301.1)
XYZ	xyz(12.2444, 7.3868, 31.7847)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63339B #6B9B33

analogous

#33379B #63339B #97339B

triadic

#63339B #9B6333 #339B63

tetradic

#63339B #9B3337 #6B9B33 #339B97

square

#63339B #9B3337 #6B9B33 #339B97

split-complementary

#63339B #9B9733 #379B33

monochromatic

#28153F #46246D #63339B #8148C3 #A176D2

Accessibility & contrast

On white

8.48

#63339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#63339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63339B

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63339B	#FFFFFF	#000000	##FFFFFF
##63339B	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004C99

Tritanopia (blue-blind)

#574A62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #63339b;
/* rgb */ color: rgb(99, 51, 155);
/* oklch */ color: oklch(43.8% 0.162 301.1);

Tailwind

colors: {
  custom: {
    50: '#946eb9',
    500: '#63339b',
    950: '#000000',
  },
}

SCSS

$custom: #63339b;
$custom-light: #946eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#63339b",
  "rgb": {
    "r": 99,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 267.692,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43824,
    "c": 0.16201,
    "h": 301.1
  },
  "luminance": 0.07387
}

Semantic roles & 50–950 ramp

primary

#63339B

secondary

#98BA6F

accent

#DA4E99

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #63339B

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

Preview Lab → · Contrast checker → · Palette generator →