#633FCB#633FCB

#633FCB is a mid, highly saturated violet. Relative luminance 0.105; OKLCH L 49.4% C 0.204 H 288.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#633FCB
RGB	rgb(99, 63, 203)
HSL	hsl(255, 57%, 52%)
HSV	hsv(255, 69%, 80%)
CMYK	cmyk(51.2%, 69%, 0%, 20.4%)
CIE-LAB	lab(38.76, 49.50, -67.33)
CIE-LCH	lch(38.76, 83.57, 306.32°)
OKLab	oklab(49.37% 0.0643 -0.1933)
OKLCH	oklch(49.37% 0.204 288.4)
XYZ	xyz(17.6994, 10.5186, 57.5860)
Luminance	0.1052 (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

#633FCB #A7CB3F

analogous

#3F61CB #633FCB #A93FCB

triadic

#633FCB #CB633F #3FCB63

tetradic

#633FCB #CB3F61 #A7CB3F #3FCBA9

square

#633FCB #CB3F61 #A7CB3F #3FCBA9

split-complementary

#633FCB #CBA93F #61CB3F

monochromatic

#341F71 #4A2CA1 #633FCB #8A6FD8 #B19FE5

Accessibility & contrast

On white

6.77

#633FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#633FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633FCB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FCB	#FFFFFF	#000000	##FFFFFF
##633FCB	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECF

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#3D6380

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #633fcb;
/* rgb */ color: rgb(99, 63, 203);
/* oklch */ color: oklch(49.4% 0.204 288.4);

Tailwind

colors: {
  custom: {
    50: '#9977dc',
    500: '#633fcb',
    950: '#000000',
  },
}

SCSS

$custom: #633fcb;
$custom-light: #9977dc;
$custom-dark: #000000;

JSON

{
  "hex": "#633fcb",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 255.429,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49366,
    "c": 0.20373,
    "h": 288.4
  },
  "luminance": 0.10519
}

Semantic roles & 50–950 ramp

primary

#633FCB

secondary

#C2D194

accent

#E147B9

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #633FCB

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

Preview Lab → · Contrast checker → · Palette generator →