#633C8D#633C8D

#633C8D is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.2% C 0.131 H 303.7°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#633C8D
RGB	rgb(99, 60, 141)
HSL	hsl(269, 40%, 39%)
HSV	hsv(269, 57%, 55%)
CMYK	cmyk(29.8%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(33.58, 34.09, -38.74)
CIE-LCH	lch(33.58, 51.60, 311.34°)
OKLab	oklab(44.18% 0.0729 -0.1093)
OKLCH	oklch(44.18% 0.131 303.7)
XYZ	xyz(11.5681, 7.8075, 26.0917)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633C8D #668D3C

analogous

#3C3D8D #633C8D #8C3C8D

triadic

#633C8D #8D633C #3C8D63

tetradic

#633C8D #8D3C3D #668D3C #3C8D8C

square

#633C8D #8D3C3D #668D3C #3C8D8C

split-complementary

#633C8D #8D8C3C #3D8D3C

monochromatic

#271737 #452A62 #633C8D #8151B5 #A07CC7

Accessibility & contrast

On white

8.20

#633C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#633C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633C8D

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633C8D	#FFFFFF	#000000	##FFFFFF
##633C8D	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4E90

Deuteranopia (green-blind)

#2B4F8B

Tritanopia (blue-blind)

#5B4C5E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #633c8d;
/* rgb */ color: rgb(99, 60, 141);
/* oklch */ color: oklch(44.2% 0.131 303.7);

Tailwind

colors: {
  custom: {
    50: '#9273af',
    500: '#633c8d',
    950: '#000000',
  },
}

SCSS

$custom: #633c8d;
$custom-light: #9273af;
$custom-dark: #000000;

JSON

{
  "hex": "#633c8d",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 268.889,
    "s": 40.299,
    "l": 39.412
  },
  "oklch": {
    "l": 0.44178,
    "c": 0.13141,
    "h": 303.7
  },
  "luminance": 0.07807
}

Semantic roles & 50–950 ramp

primary

#633C8D

secondary

#94B174

accent

#D05896

background

#F9F7FA

surface

#F1EDF4

border

#CBC8CE

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #633C8D

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

Preview Lab → · Contrast checker → · Palette generator →