#642BB1#642BB1
#642BB1 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.7% C 0.197 H 297.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).
Color values
| HEX | #642BB1 |
|---|---|
| RGB | rgb(100, 43, 177) |
| HSL | hsl(266, 61%, 43%) |
| HSV | hsv(266, 76%, 69%) |
| CMYK | cmyk(43.5%, 75.7%, 0%, 30.6%) |
| CIE-LAB | lab(33.16, 52.50, -61.19) |
| CIE-LCH | lch(33.16, 80.63, 310.63°) |
| OKLab | oklab(44.75% 0.0891 -0.1752) |
| OKLCH | oklch(44.75% 0.197 297) |
| XYZ | xyz(14.0531, 7.6111, 42.3151) |
| Luminance | 0.0761 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 4.28
Purple Blue
#5D21D0
ΔE00 4.38
Violet Blue
#510AC9
ΔE00 5.54
Blurple
#5539CC
ΔE00 5.55
Blue With A Hint Of Purple
#533CC6
ΔE00 5.67
Bluey Purple
#6241C7
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#642BB1 #78B12B
analogous
#2B35B1 #642BB1 #A72BB1
triadic
#642BB1 #B1642B #2BB164
tetradic
#642BB1 #B12B35 #78B12B #2BB1A7
square
#642BB1 #B12B35 #78B12B #2BB1A7
split-complementary
#642BB1 #B1A72B #35B12B
monochromatic
#2C134F #481F80 #642BB1 #8247D2 #A478DE
Accessibility & contrast
On white
8.33
#642BB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#642BB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #642BB1
8.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##642BB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##642BB1 | 1.00 | 8.33 | 2.52 | 8.33 |
| #FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB5
Deuteranopia (green-blind)
#004CAE
Tritanopia (blue-blind)
#504F6C
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #642bb1; /* rgb */ color: rgb(100, 43, 177); /* oklch */ color: oklch(44.7% 0.197 297.0);
Tailwind
colors: {
custom: {
50: '#976ac9',
500: '#642bb1',
950: '#000000',
},
}SCSS
$custom: #642bb1; $custom-light: #976ac9; $custom-dark: #000000;
JSON
{
"hex": "#642bb1",
"rgb": {
"r": 100,
"g": 43,
"b": 177
},
"hsl": {
"h": 265.522,
"s": 60.909,
"l": 43.137
},
"oklch": {
"l": 0.44746,
"c": 0.19653,
"h": 297
},
"luminance": 0.07611
}Semantic roles & 50–950 ramp
primary
#642BB1
secondary
#A2C672
accent
#E444A0
background
#F9F6FC
surface
#F2EBF8
border
#CCC6D1
text
#0E0713
muted
#7E7A82