#643ACB#643ACB
#643ACB is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.8% C 0.209 H 289.6°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).
Color values
| HEX | #643ACB |
|---|---|
| RGB | rgb(100, 58, 203) |
| HSL | hsl(257, 58%, 51%) |
| HSV | hsv(257, 71%, 80%) |
| CMYK | cmyk(50.7%, 71.4%, 0%, 20.4%) |
| CIE-LAB | lab(37.93, 52.25, -68.69) |
| CIE-LCH | lch(37.93, 86.30, 307.26°) |
| OKLab | oklab(48.8% 0.0701 -0.1972) |
| OKLCH | oklch(48.8% 0.209 289.6) |
| XYZ | xyz(17.5450, 10.0465, 57.5030) |
| Luminance | 0.1005 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.65
Blurple
#5539CC
ΔE00 2.22
Blue With A Hint Of Purple
#533CC6
ΔE00 2.68
Burple
#6832E3
ΔE00 3.17
Purpley Blue
#5F34E7
ΔE00 3.52
Bluish Purple
#703BE7
ΔE00 4.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643ACB #A1CB3A
analogous
#3A58CB #643ACB #AC3ACB
triadic
#643ACB #CB643A #3ACB64
tetradic
#643ACB #CB3A58 #A1CB3A #3ACBAC
square
#643ACB #CB3A58 #A1CB3A #3ACBAC
split-complementary
#643ACB #CBAC3A #58CB3A
monochromatic
#341D6E #4B2A9E #643ACB #8A6AD8 #B09BE5
Accessibility & contrast
On white
6.98
#643ACB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#643ACB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #643ACB
6.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643ACB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643ACB | 1.00 | 6.98 | 3.01 | 6.98 |
| #FFFFFF | 6.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CCF
Deuteranopia (green-blind)
#0056C8
Tritanopia (blue-blind)
#3F607F
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643acb; /* rgb */ color: rgb(100, 58, 203); /* oklch */ color: oklch(48.8% 0.209 289.6);
Tailwind
colors: {
custom: {
50: '#9a74dc',
500: '#643acb',
950: '#000000',
},
}SCSS
$custom: #643acb; $custom-light: #9a74dc; $custom-dark: #000000;
JSON
{
"hex": "#643acb",
"rgb": {
"r": 100,
"g": 58,
"b": 203
},
"hsl": {
"h": 257.379,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.48797,
"c": 0.20933,
"h": 289.6
},
"luminance": 0.10047
}Semantic roles & 50–950 ramp
primary
#643ACB
secondary
#BED090
accent
#E146B5
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83