#643CC4#643CC4
#643CC4 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.5% C 0.199 H 290.5°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).
Color values
| HEX | #643CC4 |
|---|---|
| RGB | rgb(100, 60, 196) |
| HSL | hsl(258, 54%, 50%) |
| HSV | hsv(258, 69%, 77%) |
| CMYK | cmyk(49%, 69.4%, 0%, 23.1%) |
| CIE-LAB | lab(37.71, 49.28, -64.96) |
| CIE-LCH | lch(37.71, 81.54, 307.18°) |
| OKLab | oklab(48.46% 0.0697 -0.1863) |
| OKLCH | oklch(48.46% 0.199 290.5) |
| XYZ | xyz(16.8324, 9.9259, 53.2428) |
| Luminance | 0.0993 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.34
Blurple
#5539CC
ΔE00 2.55
Blue With A Hint Of Purple
#533CC6
ΔE00 2.64
Burple
#6832E3
ΔE00 4.14
Ocean Blue
#4F42B5
ΔE00 4.34
Purpley Blue
#5F34E7
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643CC4 #9CC43C
analogous
#3C58C4 #643CC4 #A83CC4
triadic
#643CC4 #C4643C #3CC464
tetradic
#643CC4 #C43C58 #9CC43C #3CC4A8
square
#643CC4 #C43C58 #9CC43C #3CC4A8
split-complementary
#643CC4 #C4A83C #58C43C
monochromatic
#341F67 #4C2D96 #643CC4 #896BD2 #AF9AE0
Accessibility & contrast
On white
7.03
#643CC4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.99
#643CC4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643CC4
7.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643CC4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643CC4 | 1.00 | 7.03 | 2.99 | 7.03 |
| #FFFFFF | 7.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BC8
Deuteranopia (green-blind)
#0056C1
Tritanopia (blue-blind)
#445F7B
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #643cc4; /* rgb */ color: rgb(100, 60, 196); /* oklch */ color: oklch(48.5% 0.199 290.5);
Tailwind
colors: {
custom: {
50: '#9975d7',
500: '#643cc4',
950: '#000000',
},
}SCSS
$custom: #643cc4; $custom-light: #9975d7; $custom-dark: #000000;
JSON
{
"hex": "#643cc4",
"rgb": {
"r": 100,
"g": 60,
"b": 196
},
"hsl": {
"h": 257.647,
"s": 53.543,
"l": 50.196
},
"oklch": {
"l": 0.48462,
"c": 0.19893,
"h": 290.5
},
"luminance": 0.09927
}Semantic roles & 50–950 ramp
primary
#643CC4
secondary
#BACC90
accent
#DD4BB2
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0F0814
muted
#7E7B83