#643AC9#643AC9
#643AC9 is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.6% C 0.207 H 289.9°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).
Color values
| HEX | #643AC9 |
|---|---|
| RGB | rgb(100, 58, 201) |
| HSL | hsl(258, 57%, 51%) |
| HSV | hsv(258, 71%, 79%) |
| CMYK | cmyk(50.2%, 71.1%, 0%, 21.2%) |
| CIE-LAB | lab(37.76, 51.70, -67.80) |
| CIE-LCH | lch(37.76, 85.26, 307.33°) |
| OKLab | oklab(48.62% 0.0705 -0.1946) |
| OKLCH | oklch(48.62% 0.207 289.9) |
| XYZ | xyz(17.3082, 9.9517, 56.2559) |
| Luminance | 0.0995 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.63
Blurple
#5539CC
ΔE00 2.25
Blue With A Hint Of Purple
#533CC6
ΔE00 2.64
Burple
#6832E3
ΔE00 3.41
Purpley Blue
#5F34E7
ΔE00 3.78
Bluish Purple
#703BE7
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643AC9 #9FC93A
analogous
#3A57C9 #643AC9 #AB3AC9
triadic
#643AC9 #C9643A #3AC964
tetradic
#643AC9 #C93A57 #9FC93A #3AC9AB
square
#643AC9 #C93A57 #9FC93A #3AC9AB
split-complementary
#643AC9 #C9AB3A #57C93A
monochromatic
#341D6B #4C2B9B #643AC9 #8A6AD6 #B09AE3
Accessibility & contrast
On white
7.02
#643AC9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.99
#643AC9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643AC9
7.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643AC9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643AC9 | 1.00 | 7.02 | 2.99 | 7.02 |
| #FFFFFF | 7.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BCD
Deuteranopia (green-blind)
#0055C6
Tritanopia (blue-blind)
#415F7E
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643ac9; /* rgb */ color: rgb(100, 58, 201); /* oklch */ color: oklch(48.6% 0.207 289.9);
Tailwind
colors: {
custom: {
50: '#9974db',
500: '#643ac9',
950: '#000000',
},
}SCSS
$custom: #643ac9; $custom-light: #9974db; $custom-dark: #000000;
JSON
{
"hex": "#643ac9",
"rgb": {
"r": 100,
"g": 58,
"b": 201
},
"hsl": {
"h": 257.622,
"s": 56.972,
"l": 50.784
},
"oklch": {
"l": 0.48624,
"c": 0.20703,
"h": 289.9
},
"luminance": 0.09952
}Semantic roles & 50–950 ramp
primary
#643AC9
secondary
#BCCF90
accent
#E048B3
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83