#633DD9#633DD9

#633DD9 is a mid, highly saturated violet. Relative luminance 0.110; OKLCH L 50.3% C 0.222 H 286.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#633DD9
RGB	rgb(99, 61, 217)
HSL	hsl(255, 67%, 55%)
HSV	hsv(255, 72%, 85%)
CMYK	cmyk(54.4%, 71.9%, 0%, 14.9%)
CIE-LAB	lab(39.58, 54.50, -74.06)
CIE-LCH	lch(39.58, 91.95, 306.35°)
OKLab	oklab(50.32% 0.0633 -0.2131)
OKLCH	oklch(50.32% 0.222 286.5)
XYZ	xyz(19.3350, 10.9988, 66.7364)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633DD9 #B3D93D

analogous

#3D65D9 #633DD9 #B13DD9

triadic

#633DD9 #D9633D #3DD963

tetradic

#633DD9 #D93D65 #B3D93D #3DD9B1

square

#633DD9 #D93D65 #B3D93D #3DD9B1

split-complementary

#633DD9 #D9B13D #65D93D

monochromatic

#331982 #4724B5 #633DD9 #8C70E3 #B5A3ED

Accessibility & contrast

On white

6.56

#633DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#633DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633DD9

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633DD9	#FFFFFF	#000000	##FFFFFF
##633DD9	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DE

Deuteranopia (green-blind)

#0059D6

Tritanopia (blue-blind)

#306787

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #633dd9;
/* rgb */ color: rgb(99, 61, 217);
/* oklch */ color: oklch(50.3% 0.222 286.5);

Tailwind

colors: {
  custom: {
    50: '#9b76e6',
    500: '#633dd9',
    950: '#000000',
  },
}

SCSS

$custom: #633dd9;
$custom-light: #9b76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#633dd9",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 217
  },
  "hsl": {
    "h": 254.615,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50317,
    "c": 0.22225,
    "h": 286.5
  },
  "luminance": 0.11
}

Semantic roles & 50–950 ramp

primary

#633DD9

secondary

#CADA98

accent

#EA3EC0

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #633DD9

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

Preview Lab → · Contrast checker → · Palette generator →