#633EB3#633EB3

#633EB3 is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.3% C 0.176 H 293.0°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#633EB3
RGB	rgb(99, 62, 179)
HSL	hsl(259, 49%, 47%)
HSV	hsv(259, 65%, 70%)
CMYK	cmyk(44.7%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(36.65, 43.26, -56.69)
CIE-LCH	lch(36.65, 71.31, 307.35°)
OKLab	oklab(47.26% 0.0687 -0.1621)
OKLCH	oklch(47.26% 0.176 293)
XYZ	xyz(15.0027, 9.3521, 43.6538)
Luminance	0.0935 (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

#633EB3 #8EB33E

analogous

#3E54B3 #633EB3 #9D3EB3

triadic

#633EB3 #B3633E #3EB363

tetradic

#633EB3 #B33E54 #8EB33E #3EB39D

square

#633EB3 #B33E54 #8EB33E #3EB39D

split-complementary

#633EB3 #B39D3E #54B33E

monochromatic

#311F58 #4A2E86 #633EB3 #8565CA #A992D9

Accessibility & contrast

On white

7.32

#633EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#633EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633EB3

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633EB3	#FFFFFF	#000000	##FFFFFF
##633EB3	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#4C5A73

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #633eb3;
/* rgb */ color: rgb(99, 62, 179);
/* oklch */ color: oklch(47.3% 0.176 293.0);

Tailwind

colors: {
  custom: {
    50: '#9675cb',
    500: '#633eb3',
    950: '#000000',
  },
}

SCSS

$custom: #633eb3;
$custom-light: #9675cb;
$custom-dark: #000000;

JSON

{
  "hex": "#633eb3",
  "rgb": {
    "r": 99,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 258.974,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4726,
    "c": 0.17603,
    "h": 293
  },
  "luminance": 0.09353
}

Semantic roles & 50–950 ramp

primary

#633EB3

secondary

#B1C588

accent

#D850AD

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #633EB3

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

Preview Lab → · Contrast checker → · Palette generator →