#633CCB#633CCB

#633CCB is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 49.0% C 0.207 H 288.9°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#633CCB
RGB	rgb(99, 60, 203)
HSL	hsl(256, 58%, 52%)
HSV	hsv(256, 70%, 80%)
CMYK	cmyk(51.2%, 70.4%, 0%, 20.4%)
CIE-LAB	lab(38.19, 51.07, -68.26)
CIE-LCH	lch(38.19, 85.25, 306.81°)
OKLab	oklab(48.96% 0.067 -0.196)
OKLCH	oklch(48.96% 0.207 288.9)
XYZ	xyz(17.5378, 10.1954, 57.5321)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633CCB #A4CB3C

analogous

#3C5DCB #633CCB #AB3CCB

triadic

#633CCB #CB633C #3CCB63

tetradic

#633CCB #CB3C5D #A4CB3C #3CCBAB

square

#633CCB #CB3C5D #A4CB3C #3CCBAB

split-complementary

#633CCB #CBAB3C #5DCB3C

monochromatic

#341E6F #4A2A9F #633CCB #8A6CD8 #B09DE5

Accessibility & contrast

On white

6.91

#633CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#633CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633CCB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633CCB	#FFFFFF	#000000	##FFFFFF
##633CCB	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#3D617F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #633ccb;
/* rgb */ color: rgb(99, 60, 203);
/* oklch */ color: oklch(49.0% 0.207 288.9);

Tailwind

colors: {
  custom: {
    50: '#9975dc',
    500: '#633ccb',
    950: '#000000',
  },
}

SCSS

$custom: #633ccb;
$custom-light: #9975dc;
$custom-dark: #000000;

JSON

{
  "hex": "#633ccb",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 203
  },
  "hsl": {
    "h": 256.364,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48962,
    "c": 0.20715,
    "h": 288.9
  },
  "luminance": 0.10196
}

Semantic roles & 50–950 ramp

primary

#633CCB

secondary

#C0D192

accent

#E147B7

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #633CCB

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

Preview Lab → · Contrast checker → · Palette generator →