#633BBB#633BBB

#633BBB is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.5% C 0.189 H 291.9°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#633BBB
RGB	rgb(99, 59, 187)
HSL	hsl(259, 52%, 48%)
HSV	hsv(259, 68%, 73%)
CMYK	cmyk(47.1%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(36.68, 47.12, -61.37)
CIE-LCH	lch(36.68, 77.37, 307.52°)
OKLab	oklab(47.48% 0.0707 -0.1758)
OKLCH	oklch(47.48% 0.189 291.9)
XYZ	xyz(15.6767, 9.3679, 47.9863)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633BBB #93BB3B

analogous

#3B53BB #633BBB #A33BBB

triadic

#633BBB #BB633B #3BBB63

tetradic

#633BBB #BB3B53 #93BB3B #3BBBA3

square

#633BBB #BB3B53 #93BB3B #3BBBA3

split-complementary

#633BBB #BBA33B #53BB3B

monochromatic

#321E5E #4A2C8C #633BBB #8665CE #AA93DD

Accessibility & contrast

On white

7.31

#633BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#633BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633BBB

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633BBB	#FFFFFF	#000000	##FFFFFF
##633BBB	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#485B76

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #633bbb;
/* rgb */ color: rgb(99, 59, 187);
/* oklch */ color: oklch(47.5% 0.189 291.9);

Tailwind

colors: {
  custom: {
    50: '#9774d0',
    500: '#633bbb',
    950: '#000000',
  },
}

SCSS

$custom: #633bbb;
$custom-light: #9774d0;
$custom-dark: #000000;

JSON

{
  "hex": "#633bbb",
  "rgb": {
    "r": 99,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 258.75,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47477,
    "c": 0.18948,
    "h": 291.9
  },
  "luminance": 0.09368
}

Semantic roles & 50–950 ramp

primary

#633BBB

secondary

#B5C88A

accent

#DB4CAF

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #633BBB

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

Preview Lab → · Contrast checker → · Palette generator →