#643BBF#643BBF
#643BBF is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.194 H 291.6°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #643BBF |
|---|---|
| RGB | rgb(100, 59, 191) |
| HSL | hsl(259, 53%, 49%) |
| HSV | hsv(259, 69%, 75%) |
| CMYK | cmyk(47.6%, 69.1%, 0%, 25.1%) |
| CIE-LAB | lab(37.11, 48.41, -63.01) |
| CIE-LCH | lch(37.11, 79.46, 307.53°) |
| OKLab | oklab(47.91% 0.0715 -0.1806) |
| OKLCH | oklch(47.91% 0.194 291.6) |
| XYZ | xyz(16.2208, 9.5983, 50.2781) |
| Luminance | 0.0960 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.94
Blue With A Hint Of Purple
#533CC6
ΔE00 2.88
Blurple
#5539CC
ΔE00 2.92
Ocean Blue
#4F42B5
ΔE00 4.24
Burple
#6832E3
ΔE00 4.74
Purple Blue
#5D21D0
ΔE00 4.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643BBF #96BF3B
analogous
#3B54BF #643BBF #A63BBF
triadic
#643BBF #BF643B #3BBF64
tetradic
#643BBF #BF3B54 #96BF3B #3BBFA6
square
#643BBF #BF3B54 #96BF3B #3BBFA6
split-complementary
#643BBF #BFA63B #54BF3B
monochromatic
#331E61 #4C2D90 #643BBF #8867D0 #AC96DF
Accessibility & contrast
On white
7.19
#643BBF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.92
#643BBF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643BBF
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643BBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643BBF | 1.00 | 7.19 | 2.92 | 7.19 |
| #FFFFFF | 7.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059C3
Deuteranopia (green-blind)
#0055BC
Tritanopia (blue-blind)
#475C78
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #643bbf; /* rgb */ color: rgb(100, 59, 191); /* oklch */ color: oklch(47.9% 0.194 291.6);
Tailwind
colors: {
custom: {
50: '#9874d3',
500: '#643bbf',
950: '#000000',
},
}SCSS
$custom: #643bbf; $custom-light: #9874d3; $custom-dark: #000000;
JSON
{
"hex": "#643bbf",
"rgb": {
"r": 100,
"g": 59,
"b": 191
},
"hsl": {
"h": 258.636,
"s": 52.8,
"l": 49.02
},
"oklch": {
"l": 0.47908,
"c": 0.19423,
"h": 291.6
},
"luminance": 0.09599
}Semantic roles & 50–950 ramp
primary
#643BBF
secondary
#B7CA8C
accent
#DC4CAF
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0F0814
muted
#7E7B83