#644BE5#644BE5
#644BE5 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.3% C 0.221 H 283.4°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).
Color values
| HEX | #644BE5 |
|---|---|
| RGB | rgb(100, 75, 229) |
| HSL | hsl(250, 75%, 60%) |
| HSV | hsv(250, 67%, 90%) |
| CMYK | cmyk(56.3%, 67.2%, 0%, 10.2%) |
| CIE-LAB | lab(43.36, 50.73, -74.72) |
| CIE-LCH | lch(43.36, 90.31, 304.18°) |
| OKLab | oklab(53.35% 0.0511 -0.215) |
| OKLCH | oklch(53.35% 0.221 283.4) |
| XYZ | xyz(21.9101, 13.3973, 75.5449) |
| Luminance | 0.1340 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 2.54
Bluish Purple
#703BE7
ΔE00 3.74
Light Indigo
#6D5ACF
ΔE00 4.95
Purpley Blue
#5F34E7
ΔE00 4.95
Bluey Purple
#6241C7
ΔE00 5.01
Slate Blue
#6A5ACD
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644BE5 #CCE54B
analogous
#4B7FE5 #644BE5 #B14BE5
triadic
#644BE5 #E5644B #4BE564
tetradic
#644BE5 #E54B7F #CCE54B #4BE5B1
square
#644BE5 #E54B7F #CCE54B #4BE5B1
split-complementary
#644BE5 #E5B14B #7FE54B
monochromatic
#2D179F #3C1FD4 #644BE5 #9280ED #C0B6F4
Accessibility & contrast
On white
5.71
#644BE5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.68
#644BE5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644BE5
5.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644BE5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644BE5 | 1.00 | 5.71 | 3.68 | 5.71 |
| #FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BEA
Deuteranopia (green-blind)
#0061E2
Tritanopia (blue-blind)
#207392
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #644be5; /* rgb */ color: rgb(100, 75, 229); /* oklch */ color: oklch(53.3% 0.221 283.4);
Tailwind
colors: {
custom: {
50: '#9c7fee',
500: '#644be5',
950: '#000000',
},
}SCSS
$custom: #644be5; $custom-light: #9c7fee; $custom-dark: #000000;
JSON
{
"hex": "#644be5",
"rgb": {
"r": 100,
"g": 75,
"b": 229
},
"hsl": {
"h": 249.74,
"s": 74.757,
"l": 59.608
},
"oklch": {
"l": 0.53347,
"c": 0.22098,
"h": 283.4
},
"luminance": 0.13399
}Semantic roles & 50–950 ramp
primary
#644BE5
secondary
#DAE4A8
accent
#F136D3
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A17
muted
#7F7C85