#633FCF#633FCF

#633FCF is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.7% C 0.208 H 287.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#633FCF
RGB	rgb(99, 63, 207)
HSL	hsl(255, 60%, 53%)
HSV	hsv(255, 70%, 81%)
CMYK	cmyk(52.2%, 69.6%, 0%, 18.8%)
CIE-LAB	lab(39.09, 50.64, -69.10)
CIE-LCH	lch(39.09, 85.67, 306.23°)
OKLab	oklab(49.71% 0.0636 -0.1985)
OKLCH	oklch(49.71% 0.208 287.8)
XYZ	xyz(18.1823, 10.7118, 60.1289)
Luminance	0.1071 (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

#633FCF #ABCF3F

analogous

#3F63CF #633FCF #AB3FCF

triadic

#633FCF #CF633F #3FCF63

tetradic

#633FCF #CF3F63 #ABCF3F #3FCFAB

square

#633FCF #CF3F63 #ABCF3F #3FCFAB

split-complementary

#633FCF #CFAB3F #63CF3F

monochromatic

#341E76 #492AA7 #633FCF #8B70DB #B3A1E7

Accessibility & contrast

On white

6.68

#633FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#633FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633FCF

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FCF	#FFFFFF	#000000	##FFFFFF
##633FCF	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0058CC

Tritanopia (blue-blind)

#396482

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #633fcf;
/* rgb */ color: rgb(99, 63, 207);
/* oklch */ color: oklch(49.7% 0.208 287.8);

Tailwind

colors: {
  custom: {
    50: '#9977df',
    500: '#633fcf',
    950: '#000000',
  },
}

SCSS

$custom: #633fcf;
$custom-light: #9977df;
$custom-dark: #000000;

JSON

{
  "hex": "#633fcf",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 207
  },
  "hsl": {
    "h": 255,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49707,
    "c": 0.20845,
    "h": 287.8
  },
  "luminance": 0.10713
}

Semantic roles & 50–950 ramp

primary

#633FCF

secondary

#C4D496

accent

#E345BC

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #633FCF

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

Preview Lab → · Contrast checker → · Palette generator →