#633366#633366

#633366 is a dark, moderate purple. Relative luminance 0.060; OKLCH L 40.3% C 0.100 H 325.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#633366
RGB	rgb(99, 51, 102)
HSL	hsl(296, 33%, 30%)
HSV	hsv(296, 50%, 40%)
CMYK	cmyk(2.9%, 50%, 0%, 60%)
CIE-LAB	lab(29.36, 30.05, -20.93)
CIE-LCH	lch(29.36, 36.62, 325.14°)
OKLab	oklab(40.34% 0.0823 -0.0575)
OKLCH	oklch(40.34% 0.1 325)
XYZ	xyz(8.7275, 5.9800, 13.2623)
Luminance	0.0598 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633366 #366633

analogous

#4A3366 #633366 #66334F

triadic

#633366 #666333 #336663

tetradic

#633366 #664A33 #366633 #334F66

square

#633366 #664A33 #366633 #334F66

split-complementary

#633366 #4F6633 #33664A

monochromatic

#140A14 #3B1F3D #633366 #8B478F #AC63B1

Accessibility & contrast

On white

9.56

#633366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#633366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633366

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633366	#FFFFFF	#000000	##FFFFFF
##633366	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4168

Deuteranopia (green-blind)

#3B4764

Tritanopia (blue-blind)

#653947

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #633366;
/* rgb */ color: rgb(99, 51, 102);
/* oklch */ color: oklch(40.3% 0.100 325.0);

Tailwind

colors: {
  custom: {
    50: '#916c92',
    500: '#633366',
    950: '#000000',
  },
}

SCSS

$custom: #633366;
$custom-light: #916c92;
$custom-dark: #000000;

JSON

{
  "hex": "#633366",
  "rgb": {
    "r": 99,
    "g": 51,
    "b": 102
  },
  "hsl": {
    "h": 296.471,
    "s": 33.333,
    "l": 30
  },
  "oklch": {
    "l": 0.40343,
    "c": 0.10038,
    "h": 325
  },
  "luminance": 0.0598
}

Semantic roles & 50–950 ramp

primary

#633366

secondary

#61975E

accent

#C95E65

background

#F9F6F8

surface

#F1EBF0

border

#CBC6CB

text

#0D070D

muted

#7E7A7D

Preview Lab

Preview with #633366

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

Preview Lab → · Contrast checker → · Palette generator →