#644BCD#644BCD
#644BCD is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.4% C 0.192 H 286.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #644BCD |
|---|---|
| RGB | rgb(100, 75, 205) |
| HSL | hsl(252, 57%, 55%) |
| HSV | hsv(252, 63%, 80%) |
| CMYK | cmyk(51.2%, 63.4%, 0%, 19.6%) |
| CIE-LAB | lab(41.45, 43.63, -64.09) |
| CIE-LCH | lch(41.45, 77.53, 304.24°) |
| OKLab | oklab(51.38% 0.054 -0.1838) |
| OKLCH | oklch(51.38% 0.192 286.4) |
| XYZ | xyz(18.7878, 12.1483, 59.1007) |
| Luminance | 0.1215 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 2.76
Iris
#6258C4
ΔE00 4.05
Slate Blue
#6A5ACD
ΔE00 4.34
Light Indigo
#6D5ACF
ΔE00 4.45
Blue With A Hint Of Purple
#533CC6
ΔE00 4.64
Purpleish Blue
#6140EF
ΔE00 4.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644BCD #B4CD4B
analogous
#4B73CD #644BCD #A54BCD
triadic
#644BCD #CD644B #4BCD64
tetradic
#644BCD #CD4B73 #B4CD4B #4BCDA5
square
#644BCD #CD4B73 #B4CD4B #4BCDA5
split-complementary
#644BCD #CDA54B #73CD4B
monochromatic
#33227B #4730AB #644BCD #8D7BDA #B6ABE8
Accessibility & contrast
On white
6.12
#644BCD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#644BCD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644BCD
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644BCD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644BCD | 1.00 | 6.12 | 3.43 | 6.12 |
| #FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0065D1
Deuteranopia (green-blind)
#005ECA
Tritanopia (blue-blind)
#3C6B85
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #644bcd; /* rgb */ color: rgb(100, 75, 205); /* oklch */ color: oklch(51.4% 0.192 286.4);
Tailwind
colors: {
custom: {
50: '#997fdd',
500: '#644bcd',
950: '#000000',
},
}SCSS
$custom: #644bcd; $custom-light: #997fdd; $custom-dark: #000000;
JSON
{
"hex": "#644bcd",
"rgb": {
"r": 100,
"g": 75,
"b": 205
},
"hsl": {
"h": 251.538,
"s": 56.522,
"l": 54.902
},
"oklch": {
"l": 0.51379,
"c": 0.19155,
"h": 286.4
},
"luminance": 0.12149
}Semantic roles & 50–950 ramp
primary
#644BCD
secondary
#CBD59F
accent
#E048C3
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83