#633C8F#633C8F

#633C8F is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.3% C 0.134 H 303.0°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#633C8F
RGB	rgb(99, 60, 143)
HSL	hsl(268, 41%, 40%)
HSV	hsv(268, 58%, 56%)
CMYK	cmyk(30.8%, 58%, 0%, 43.9%)
CIE-LAB	lab(33.71, 34.61, -39.77)
CIE-LCH	lch(33.71, 52.72, 311.03°)
OKLab	oklab(44.31% 0.073 -0.1123)
OKLCH	oklch(44.31% 0.134 303)
XYZ	xyz(11.7183, 7.8675, 26.8825)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633C8F #688F3C

analogous

#3C3E8F #633C8F #8D3C8F

triadic

#633C8F #8F633C #3C8F63

tetradic

#633C8F #8F3C3E #688F3C #3C8F8D

square

#633C8F #8F3C3E #688F3C #3C8F8D

split-complementary

#633C8F #8F8D3C #3E8F3C

monochromatic

#271839 #452A64 #633C8F #8152B6 #A07DC8

Accessibility & contrast

On white

8.16

#633C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#633C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633C8F

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633C8F	#FFFFFF	#000000	##FFFFFF
##633C8F	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4E92

Deuteranopia (green-blind)

#294F8D

Tritanopia (blue-blind)

#5B4C5F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #633c8f;
/* rgb */ color: rgb(99, 60, 143);
/* oklch */ color: oklch(44.3% 0.134 303.0);

Tailwind

colors: {
  custom: {
    50: '#9273b0',
    500: '#633c8f',
    950: '#000000',
  },
}

SCSS

$custom: #633c8f;
$custom-light: #9273b0;
$custom-dark: #000000;

JSON

{
  "hex": "#633c8f",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 268.193,
    "s": 40.887,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44312,
    "c": 0.13395,
    "h": 303
  },
  "luminance": 0.07868
}

Semantic roles & 50–950 ramp

primary

#633C8F

secondary

#95B275

accent

#D15798

background

#F9F7FA

surface

#F1EDF5

border

#CBC8CF

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #633C8F

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

Preview Lab → · Contrast checker → · Palette generator →