#644EEA#644EEA
#644EEA is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.2% C 0.224 H 282.4°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).
Color values
| HEX | #644EEA |
|---|---|
| RGB | rgb(100, 78, 234) |
| HSL | hsl(248, 79%, 61%) |
| HSV | hsv(248, 67%, 92%) |
| CMYK | cmyk(57.3%, 66.7%, 0%, 8.2%) |
| CIE-LAB | lab(44.37, 50.57, -75.89) |
| CIE-LCH | lch(44.37, 91.19, 303.68°) |
| OKLab | oklab(54.21% 0.0479 -0.2184) |
| OKLCH | oklch(54.21% 0.224 282.4) |
| XYZ | xyz(22.8266, 14.0971, 79.3441) |
| Luminance | 0.1410 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 3.18
Bluish Purple
#703BE7
ΔE00 4.52
Light Indigo
#6D5ACF
ΔE00 4.77
Slate Blue
#6A5ACD
ΔE00 4.89
Warm Blue
#4B57DB
ΔE00 5.02
Dark Periwinkle
#665FD1
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644EEA #D4EA4E
analogous
#4E86EA #644EEA #B24EEA
triadic
#644EEA #EA644E #4EEA64
tetradic
#644EEA #EA4E86 #D4EA4E #4EEAB2
square
#644EEA #EA4E86 #D4EA4E #4EEAB2
split-complementary
#644EEA #EAB24E #86EA4E
monochromatic
#2914A9 #361BE0 #644EEA #9485F0 #C4BBF7
Accessibility & contrast
On white
5.50
#644EEA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.82
#644EEA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644EEA
5.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644EEA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644EEA | 1.00 | 5.50 | 3.82 | 5.50 |
| #FFFFFF | 5.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006EEF
Deuteranopia (green-blind)
#0063E7
Tritanopia (blue-blind)
#147696
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #644eea; /* rgb */ color: rgb(100, 78, 234); /* oklch */ color: oklch(54.2% 0.224 282.4);
Tailwind
colors: {
custom: {
50: '#9d81f2',
500: '#644eea',
950: '#000000',
},
}SCSS
$custom: #644eea; $custom-light: #9d81f2; $custom-dark: #000000;
JSON
{
"hex": "#644eea",
"rgb": {
"r": 100,
"g": 78,
"b": 234
},
"hsl": {
"h": 248.462,
"s": 78.788,
"l": 61.176
},
"oklch": {
"l": 0.54205,
"c": 0.22361,
"h": 282.4
},
"luminance": 0.14099
}Semantic roles & 50–950 ramp
primary
#644EEA
secondary
#DFE7AD
accent
#DB0ABE
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85