#634CCB#634CCB
#634CCB is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.3% C 0.188 H 286.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #634CCB |
|---|---|
| RGB | rgb(99, 76, 203) |
| HSL | hsl(251, 55%, 55%) |
| HSV | hsv(251, 63%, 80%) |
| CMYK | cmyk(51.2%, 62.6%, 0%, 20.4%) |
| CIE-LAB | lab(41.43, 42.27, -62.98) |
| CIE-LCH | lch(41.43, 75.85, 303.87°) |
| OKLab | oklab(51.29% 0.0519 -0.1805) |
| OKLCH | oklch(51.29% 0.188 286) |
| XYZ | xyz(18.5063, 12.1324, 57.8550) |
| Luminance | 0.1213 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 2.94
Iris
#6258C4
ΔE00 3.71
Slate Blue
#6A5ACD
ΔE00 4.14
Light Indigo
#6D5ACF
ΔE00 4.30
Blue With A Hint Of Purple
#533CC6
ΔE00 4.73
Purpleish Blue
#6140EF
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#634CCB #B4CB4C
analogous
#4C75CB #634CCB #A24CCB
triadic
#634CCB #CB634C #4CCB63
tetradic
#634CCB #CB4C75 #B4CB4C #4CCBA2
square
#634CCB #CB4C75 #B4CB4C #4CCBA2
split-complementary
#634CCB #CBA24C #75CB4C
monochromatic
#332379 #4731A9 #634CCB #8C7BD9 #B6ABE7
Accessibility & contrast
On white
6.13
#634CCB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#634CCB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #634CCB
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##634CCB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##634CCB | 1.00 | 6.13 | 3.43 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0065CF
Deuteranopia (green-blind)
#005EC8
Tritanopia (blue-blind)
#3B6B84
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #634ccb; /* rgb */ color: rgb(99, 76, 203); /* oklch */ color: oklch(51.3% 0.188 286.0);
Tailwind
colors: {
custom: {
50: '#987fdc',
500: '#634ccb',
950: '#000000',
},
}SCSS
$custom: #634ccb; $custom-light: #987fdc; $custom-dark: #000000;
JSON
{
"hex": "#634ccb",
"rgb": {
"r": 99,
"g": 76,
"b": 203
},
"hsl": {
"h": 250.866,
"s": 54.978,
"l": 54.706
},
"oklch": {
"l": 0.51291,
"c": 0.18785,
"h": 286
},
"luminance": 0.12133
}Semantic roles & 50–950 ramp
primary
#634CCB
secondary
#CAD49F
accent
#DE49C3
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83