#633FD3#633FD3

#633FD3 is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 50.1% C 0.213 H 287.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#633FD3
RGB	rgb(99, 63, 211)
HSL	hsl(255, 63%, 54%)
HSV	hsv(255, 70%, 83%)
CMYK	cmyk(53.1%, 70.1%, 0%, 17.3%)
CIE-LAB	lab(39.43, 51.77, -70.86)
CIE-LCH	lch(39.43, 87.76, 306.15°)
OKLab	oklab(50.05% 0.0628 -0.2037)
OKLCH	oklch(50.05% 0.213 287.1)
XYZ	xyz(18.6775, 10.9099, 62.7370)
Luminance	0.1091 (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

#633FD3 #AFD33F

analogous

#3F65D3 #633FD3 #AD3FD3

triadic

#633FD3 #D3633F #3FD363

tetradic

#633FD3 #D33F65 #AFD33F #3FD3AD

square

#633FD3 #D33F65 #AFD33F #3FD3AD

split-complementary

#633FD3 #D3AD3F #65D33F

monochromatic

#331C7B #4828AD #633FD3 #8B71DE #B4A3EA

Accessibility & contrast

On white

6.60

#633FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#633FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633FD3

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FD3	#FFFFFF	#000000	##FFFFFF
##633FD3	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D7

Deuteranopia (green-blind)

#0059D0

Tritanopia (blue-blind)

#366685

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #633fd3;
/* rgb */ color: rgb(99, 63, 211);
/* oklch */ color: oklch(50.1% 0.213 287.1);

Tailwind

colors: {
  custom: {
    50: '#9a77e2',
    500: '#633fd3',
    950: '#000000',
  },
}

SCSS

$custom: #633fd3;
$custom-light: #9a77e2;
$custom-dark: #000000;

JSON

{
  "hex": "#633fd3",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 254.595,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50051,
    "c": 0.21314,
    "h": 287.1
  },
  "luminance": 0.10911
}

Semantic roles & 50–950 ramp

primary

#633FD3

secondary

#C7D797

accent

#E642BE

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0915

muted

#7F7B84

Preview Lab

Preview with #633FD3

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

Preview Lab → · Contrast checker → · Palette generator →