#643BC8#643BC8
#643BC8 is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.7% C 0.205 H 289.9°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #643BC8 |
|---|---|
| RGB | rgb(100, 59, 200) |
| HSL | hsl(257, 56%, 51%) |
| HSV | hsv(257, 71%, 78%) |
| CMYK | cmyk(50%, 70.5%, 0%, 21.6%) |
| CIE-LAB | lab(37.85, 50.91, -67.06) |
| CIE-LCH | lch(37.85, 84.20, 307.21°) |
| OKLab | oklab(48.67% 0.0698 -0.1925) |
| OKLCH | oklch(48.67% 0.205 289.9) |
| XYZ | xyz(17.2418, 10.0067, 55.6554) |
| Luminance | 0.1001 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.42
Blurple
#5539CC
ΔE00 2.31
Blue With A Hint Of Purple
#533CC6
ΔE00 2.61
Burple
#6832E3
ΔE00 3.58
Purpley Blue
#5F34E7
ΔE00 3.94
Bluish Purple
#703BE7
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643BC8 #9FC83B
analogous
#3B58C8 #643BC8 #AA3BC8
triadic
#643BC8 #C8643B #3BC864
tetradic
#643BC8 #C83B58 #9FC83B #3BC8AA
square
#643BC8 #C83B58 #9FC83B #3BC8AA
split-complementary
#643BC8 #C8AA3B #58C83B
monochromatic
#341E6B #4C2B9A #643BC8 #8A6BD5 #B09BE3
Accessibility & contrast
On white
7.00
#643BC8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#643BC8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #643BC8
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643BC8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643BC8 | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CCC
Deuteranopia (green-blind)
#0056C5
Tritanopia (blue-blind)
#41607D
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643bc8; /* rgb */ color: rgb(100, 59, 200); /* oklch */ color: oklch(48.7% 0.205 289.9);
Tailwind
colors: {
custom: {
50: '#9974da',
500: '#643bc8',
950: '#000000',
},
}SCSS
$custom: #643bc8; $custom-light: #9974da; $custom-dark: #000000;
JSON
{
"hex": "#643bc8",
"rgb": {
"r": 100,
"g": 59,
"b": 200
},
"hsl": {
"h": 257.447,
"s": 56.175,
"l": 50.784
},
"oklch": {
"l": 0.48668,
"c": 0.20475,
"h": 289.9
},
"luminance": 0.10007
}Semantic roles & 50–950 ramp
primary
#643BC8
secondary
#BCCF90
accent
#DF48B4
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83