#643CC6#643CC6
#643CC6 is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.6% C 0.201 H 290.1°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #643CC6 |
|---|---|
| RGB | rgb(100, 60, 198) |
| HSL | hsl(257, 55%, 51%) |
| HSV | hsv(257, 70%, 78%) |
| CMYK | cmyk(49.5%, 69.7%, 0%, 22.4%) |
| CIE-LAB | lab(37.87, 49.84, -65.86) |
| CIE-LCH | lch(37.87, 82.59, 307.11°) |
| OKLab | oklab(48.63% 0.0693 -0.189) |
| OKLCH | oklch(48.63% 0.201 290.1) |
| XYZ | xyz(17.0615, 10.0176, 54.4497) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.24
Blurple
#5539CC
ΔE00 2.44
Blue With A Hint Of Purple
#533CC6
ΔE00 2.60
Burple
#6832E3
ΔE00 3.89
Purpley Blue
#5F34E7
ΔE00 4.24
Ocean Blue
#4F42B5
ΔE00 4.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643CC6 #9EC63C
analogous
#3C59C6 #643CC6 #A93CC6
triadic
#643CC6 #C6643C #3CC664
tetradic
#643CC6 #C63C59 #9EC63C #3CC6A9
square
#643CC6 #C63C59 #9EC63C #3CC6A9
split-complementary
#643CC6 #C6A93C #59C63C
monochromatic
#341F69 #4C2D98 #643CC6 #8A6BD4 #AF9BE2
Accessibility & contrast
On white
6.99
#643CC6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#643CC6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #643CC6
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643CC6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643CC6 | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CCA
Deuteranopia (green-blind)
#0056C3
Tritanopia (blue-blind)
#435F7D
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643cc6; /* rgb */ color: rgb(100, 60, 198); /* oklch */ color: oklch(48.6% 0.201 290.1);
Tailwind
colors: {
custom: {
50: '#9975d8',
500: '#643cc6',
950: '#000000',
},
}SCSS
$custom: #643cc6; $custom-light: #9975d8; $custom-dark: #000000;
JSON
{
"hex": "#643cc6",
"rgb": {
"r": 100,
"g": 60,
"b": 198
},
"hsl": {
"h": 257.391,
"s": 54.762,
"l": 50.588
},
"oklch": {
"l": 0.48631,
"c": 0.20128,
"h": 290.1
},
"luminance": 0.10018
}Semantic roles & 50–950 ramp
primary
#643CC6
secondary
#BCCE90
accent
#DE4AB3
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83