#633FBF#633FBF

#633FBF is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.4% C 0.189 H 290.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#633FBF
RGB	rgb(99, 63, 191)
HSL	hsl(257, 50%, 50%)
HSV	hsv(257, 67%, 75%)
CMYK	cmyk(48.2%, 67%, 0%, 25.1%)
CIE-LAB	lab(37.79, 46.09, -61.92)
CIE-LCH	lch(37.79, 77.19, 306.67°)
OKLab	oklab(48.37% 0.0662 -0.1774)
OKLCH	oklch(48.37% 0.189 290.5)
XYZ	xyz(16.3244, 9.9686, 50.3441)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.30

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633FBF #9BBF3F

analogous

#3F5BBF #633FBF #A33FBF

triadic

#633FBF #BF633F #3FBF63

tetradic

#633FBF #BF3F5B #9BBF3F #3FBFA3

square

#633FBF #BF3F5B #9BBF3F #3FBFA3

split-complementary

#633FBF #BFA33F #5BBF3F

monochromatic

#332163 #4B3091 #633FBF #886DCF #AD9BDE

Accessibility & contrast

On white

7.01

#633FBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#633FBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633FBF

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FBF	#FFFFFF	#000000	##FFFFFF
##633FBF	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#0056BC

Tritanopia (blue-blind)

#455F7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #633fbf;
/* rgb */ color: rgb(99, 63, 191);
/* oklch */ color: oklch(48.4% 0.189 290.5);

Tailwind

colors: {
  custom: {
    50: '#9776d3',
    500: '#633fbf',
    950: '#000000',
  },
}

SCSS

$custom: #633fbf;
$custom-light: #9776d3;
$custom-dark: #000000;

JSON

{
  "hex": "#633fbf",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 191
  },
  "hsl": {
    "h": 256.875,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48368,
    "c": 0.18936,
    "h": 290.5
  },
  "luminance": 0.09969
}

Semantic roles & 50–950 ramp

primary

#633FBF

secondary

#BACA90

accent

#DA4EB3

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0914

muted

#7E7B83

Preview Lab

Preview with #633FBF

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

Preview Lab → · Contrast checker → · Palette generator →