#633699#633699

#633699 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.1% C 0.155 H 301.1°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#633699
RGB	rgb(99, 54, 153)
HSL	hsl(267, 48%, 41%)
HSV	hsv(267, 65%, 60%)
CMYK	cmyk(35.3%, 64.7%, 0%, 40%)
CIE-LAB	lab(33.12, 40.60, -46.82)
CIE-LCH	lch(33.12, 61.98, 310.93°)
OKLab	oklab(44.1% 0.0804 -0.133)
OKLCH	oklch(44.1% 0.155 301.1)
XYZ	xyz(12.2132, 7.5908, 30.9526)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633699 #6C9936

analogous

#363A99 #633699 #943699

triadic

#633699 #996336 #369963

tetradic

#633699 #99363A #6C9936 #369994

square

#633699 #99363A #6C9936 #369994

split-complementary

#633699 #999436 #3A9936

monochromatic

#28163F #46266C #633699 #814CC0 #A17AD0

Accessibility & contrast

On white

8.34

#633699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#633699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633699

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633699	#FFFFFF	#000000	##FFFFFF
##633699	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#0F4D97

Tritanopia (blue-blind)

#584C62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #633699;
/* rgb */ color: rgb(99, 54, 153);
/* oklch */ color: oklch(44.1% 0.155 301.1);

Tailwind

colors: {
  custom: {
    50: '#9370b8',
    500: '#633699',
    950: '#000000',
  },
}

SCSS

$custom: #633699;
$custom-light: #9370b8;
$custom-dark: #000000;

JSON

{
  "hex": "#633699",
  "rgb": {
    "r": 99,
    "g": 54,
    "b": 153
  },
  "hsl": {
    "h": 267.273,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44098,
    "c": 0.15542,
    "h": 301.1
  },
  "luminance": 0.07591
}

Semantic roles & 50–950 ramp

primary

#633699

secondary

#99B972

accent

#D7509A

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #633699

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

Preview Lab → · Contrast checker → · Palette generator →