#634CA3#634CA3

#634CA3 is a mid, vivid violet. Relative luminance 0.105; OKLCH L 48.4% C 0.135 H 292.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#634CA3
RGB	rgb(99, 76, 163)
HSL	hsl(256, 36%, 47%)
HSV	hsv(256, 53%, 64%)
CMYK	cmyk(39.3%, 53.4%, 0%, 36.1%)
CIE-LAB	lab(38.67, 30.55, -43.93)
CIE-LCH	lch(38.67, 53.51, 304.81°)
OKLab	oklab(48.38% 0.0524 -0.1245)
OKLCH	oklch(48.38% 0.135 292.8)
XYZ	xyz(14.3391, 10.4655, 35.9078)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634CA3 #8CA34C

analogous

#4C61A3 #634CA3 #8F4CA3

triadic

#634CA3 #A3634C #4CA363

tetradic

#634CA3 #A34C61 #8CA34C #4CA38F

square

#634CA3 #A34C61 #8CA34C #4CA38F

split-complementary

#634CA3 #A38F4C #61A34C

monochromatic

#302550 #4A3979 #634CA3 #8470BC #A89AD0

Accessibility & contrast

On white

6.79

#634CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#634CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CA3

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634CA3	#FFFFFF	#000000	##FFFFFF
##634CA3	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275CA6

Deuteranopia (green-blind)

#2B59A1

Tritanopia (blue-blind)

#535E70

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #634ca3;
/* rgb */ color: rgb(99, 76, 163);
/* oklch */ color: oklch(48.4% 0.135 292.8);

Tailwind

colors: {
  custom: {
    50: '#937ebf',
    500: '#634ca3',
    950: '#000000',
  },
}

SCSS

$custom: #634ca3;
$custom-light: #937ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#634ca3",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 163
  },
  "hsl": {
    "h": 255.862,
    "s": 36.402,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48383,
    "c": 0.13512,
    "h": 292.8
  },
  "luminance": 0.10466
}

Semantic roles & 50–950 ramp

primary

#634CA3

secondary

#B0BC8F

accent

#CC5BAF

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #634CA3

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

Preview Lab → · Contrast checker → · Palette generator →