#633799#633799

#633799 is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.2% C 0.154 H 300.9°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#633799
RGB	rgb(99, 55, 153)
HSL	hsl(267, 47%, 41%)
HSV	hsv(267, 64%, 60%)
CMYK	cmyk(35.3%, 64.1%, 0%, 40%)
CIE-LAB	lab(33.32, 40.06, -46.50)
CIE-LCH	lch(33.32, 61.37, 310.74°)
OKLab	oklab(44.24% 0.0792 -0.1321)
OKLCH	oklch(44.24% 0.154 300.9)
XYZ	xyz(12.2602, 7.6849, 30.9682)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633799 #6D9937

analogous

#373C99 #633799 #943799

triadic

#633799 #996337 #379963

tetradic

#633799 #99373C #6D9937 #379994

square

#633799 #99373C #6D9937 #379994

split-complementary

#633799 #999437 #3C9937

monochromatic

#29173F #46276C #633799 #814EBF #A17BD0

Accessibility & contrast

On white

8.28

#633799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#633799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633799

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633799	#FFFFFF	#000000	##FFFFFF
##633799	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#124E97

Tritanopia (blue-blind)

#584C63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #633799;
/* rgb */ color: rgb(99, 55, 153);
/* oklch */ color: oklch(44.2% 0.154 300.9);

Tailwind

colors: {
  custom: {
    50: '#9370b8',
    500: '#633799',
    950: '#000000',
  },
}

SCSS

$custom: #633799;
$custom-light: #9370b8;
$custom-dark: #000000;

JSON

{
  "hex": "#633799",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 266.939,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44244,
    "c": 0.15398,
    "h": 300.9
  },
  "luminance": 0.07685
}

Semantic roles & 50–950 ramp

primary

#633799

secondary

#99B973

accent

#D7519B

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #633799

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

Preview Lab → · Contrast checker → · Palette generator →