#633BCC#633BCC

#633BCC is a mid, highly saturated violet. Relative luminance 0.101; OKLCH L 48.9% C 0.209 H 288.8°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#633BCC
RGB	rgb(99, 59, 204)
HSL	hsl(257, 59%, 52%)
HSV	hsv(257, 71%, 80%)
CMYK	cmyk(51.5%, 71.1%, 0%, 20%)
CIE-LAB	lab(38.09, 51.87, -69.00)
CIE-LCH	lch(38.09, 86.32, 306.93°)
OKLab	oklab(48.92% 0.0676 -0.1982)
OKLCH	oklch(48.92% 0.209 288.8)
XYZ	xyz(17.6055, 10.1394, 58.1445)
Luminance	0.1014 (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

#633BCC #A4CC3B

analogous

#3B5CCC #633BCC #AC3BCC

triadic

#633BCC #CC633B #3BCC63

tetradic

#633BCC #CC3B5C #A4CC3B #3BCCAC

square

#633BCC #CC3B5C #A4CC3B #3BCCAC

split-complementary

#633BCC #CCAC3B #5CCC3B

monochromatic

#341D70 #4A2AA0 #633BCC #8A6CD9 #B09CE5

Accessibility & contrast

On white

6.94

#633BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#633BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633BCC

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633BCC	#FFFFFF	#000000	##FFFFFF
##633BCC	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#3C6180

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #633bcc;
/* rgb */ color: rgb(99, 59, 204);
/* oklch */ color: oklch(48.9% 0.209 288.8);

Tailwind

colors: {
  custom: {
    50: '#9974dd',
    500: '#633bcc',
    950: '#000000',
  },
}

SCSS

$custom: #633bcc;
$custom-light: #9974dd;
$custom-dark: #000000;

JSON

{
  "hex": "#633bcc",
  "rgb": {
    "r": 99,
    "g": 59,
    "b": 204
  },
  "hsl": {
    "h": 256.552,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48917,
    "c": 0.20941,
    "h": 288.8
  },
  "luminance": 0.1014
}

Semantic roles & 50–950 ramp

primary

#633BCC

secondary

#C0D192

accent

#E246B7

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #633BCC

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

Preview Lab → · Contrast checker → · Palette generator →