#643ACC#643ACC
#643ACC is a mid, highly saturated violet. Relative luminance 0.101; OKLCH L 48.9% C 0.210 H 289.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #643ACC |
|---|---|
| RGB | rgb(100, 58, 204) |
| HSL | hsl(257, 59%, 51%) |
| HSV | hsv(257, 72%, 80%) |
| CMYK | cmyk(51%, 71.6%, 0%, 20%) |
| CIE-LAB | lab(38.01, 52.53, -69.13) |
| CIE-LCH | lch(38.01, 86.82, 307.23°) |
| OKLab | oklab(48.88% 0.0699 -0.1985) |
| OKLCH | oklch(48.88% 0.21 289.4) |
| XYZ | xyz(17.6645, 10.0943, 58.1327) |
| Luminance | 0.1009 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.68
Blurple
#5539CC
ΔE00 2.21
Blue With A Hint Of Purple
#533CC6
ΔE00 2.71
Burple
#6832E3
ΔE00 3.05
Purpley Blue
#5F34E7
ΔE00 3.40
Bluish Purple
#703BE7
ΔE00 4.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643ACC #A2CC3A
analogous
#3A59CC #643ACC #AD3ACC
triadic
#643ACC #CC643A #3ACC64
tetradic
#643ACC #CC3A59 #A2CC3A #3ACCAD
square
#643ACC #CC3A59 #A2CC3A #3ACCAD
split-complementary
#643ACC #CCAD3A #59CC3A
monochromatic
#341D6F #4B29A0 #643ACC #8A6BD9 #B19BE5
Accessibility & contrast
On white
6.96
#643ACC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.02
#643ACC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #643ACC
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643ACC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643ACC | 1.00 | 6.96 | 3.02 | 6.96 |
| #FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CD0
Deuteranopia (green-blind)
#0056C9
Tritanopia (blue-blind)
#3E617F
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643acc; /* rgb */ color: rgb(100, 58, 204); /* oklch */ color: oklch(48.9% 0.210 289.4);
Tailwind
colors: {
custom: {
50: '#9a74dd',
500: '#643acc',
950: '#000000',
},
}SCSS
$custom: #643acc; $custom-light: #9a74dd; $custom-dark: #000000;
JSON
{
"hex": "#643acc",
"rgb": {
"r": 100,
"g": 58,
"b": 204
},
"hsl": {
"h": 257.26,
"s": 58.871,
"l": 51.373
},
"oklch": {
"l": 0.48884,
"c": 0.21048,
"h": 289.4
},
"luminance": 0.10095
}Semantic roles & 50–950 ramp
primary
#643ACC
secondary
#BFD191
accent
#E246B5
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83