#643DAC#643DAC
#643DAC is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.7% C 0.169 H 295.2°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).
Color values
| HEX | #643DAC |
|---|---|
| RGB | rgb(100, 61, 172) |
| HSL | hsl(261, 48%, 46%) |
| HSV | hsv(261, 65%, 67%) |
| CMYK | cmyk(41.9%, 64.5%, 0%, 32.5%) |
| CIE-LAB | lab(36.03, 42.08, -53.54) |
| CIE-LCH | lch(36.03, 68.09, 308.17°) |
| OKLab | oklab(46.67% 0.072 -0.1527) |
| OKLCH | oklch(46.67% 0.169 295.2) |
| XYZ | xyz(14.3687, 9.0250, 40.0067) |
| Luminance | 0.0902 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 4.06
Bluey Purple
#6241C7
ΔE00 4.26
Ocean Blue
#4F42B5
ΔE00 4.51
Blue With A Hint Of Purple
#533CC6
ΔE00 4.93
Blurple
#5539CC
ΔE00 5.38
Blueberry
#464196
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643DAC #85AC3D
analogous
#3D4EAC #643DAC #9B3DAC
triadic
#643DAC #AC643D #3DAC64
tetradic
#643DAC #AC3D4E #85AC3D #3DAC9B
square
#643DAC #AC3D4E #85AC3D #3DAC9B
split-complementary
#643DAC #AC9B3D #4EAC3D
monochromatic
#2F1D52 #4A2D7F #643DAC #8460C7 #A78DD7
Accessibility & contrast
On white
7.49
#643DAC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.81
#643DAC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643DAC
7.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643DAC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643DAC | 1.00 | 7.49 | 2.81 | 7.49 |
| #FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AF
Deuteranopia (green-blind)
#0053AA
Tritanopia (blue-blind)
#51576F
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #643dac; /* rgb */ color: rgb(100, 61, 172); /* oklch */ color: oklch(46.7% 0.169 295.2);
Tailwind
colors: {
custom: {
50: '#9675c5',
500: '#643dac',
950: '#000000',
},
}SCSS
$custom: #643dac; $custom-light: #9675c5; $custom-dark: #000000;
JSON
{
"hex": "#643dac",
"rgb": {
"r": 100,
"g": 61,
"b": 172
},
"hsl": {
"h": 261.081,
"s": 47.639,
"l": 45.686
},
"oklch": {
"l": 0.46671,
"c": 0.16884,
"h": 295.2
},
"luminance": 0.09025
}Semantic roles & 50–950 ramp
primary
#643DAC
secondary
#ACC184
accent
#D751A8
background
#F9F7FC
surface
#F2EDF8
border
#CCC8D1
text
#0E0813
muted
#7E7B82