#644BE3#644BE3
#644BE3 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.2% C 0.219 H 283.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #644BE3 |
|---|---|
| RGB | rgb(100, 75, 227) |
| HSL | hsl(250, 73%, 59%) |
| HSV | hsv(250, 67%, 89%) |
| CMYK | cmyk(55.9%, 67%, 0%, 11%) |
| CIE-LAB | lab(43.19, 50.14, -73.85) |
| CIE-LCH | lch(43.19, 89.27, 304.17°) |
| OKLab | oklab(53.18% 0.0514 -0.2124) |
| OKLCH | oklch(53.18% 0.219 283.6) |
| XYZ | xyz(21.6325, 13.2862, 74.0827) |
| Luminance | 0.1329 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 2.62
Bluish Purple
#703BE7
ΔE00 3.74
Bluey Purple
#6241C7
ΔE00 4.79
Light Indigo
#6D5ACF
ΔE00 4.85
Purpley Blue
#5F34E7
ΔE00 4.92
Slate Blue
#6A5ACD
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644BE3 #CAE34B
analogous
#4B7EE3 #644BE3 #B04BE3
triadic
#644BE3 #E3644B #4BE364
tetradic
#644BE3 #E34B7E #CAE34B #4BE3B0
square
#644BE3 #E34B7E #CAE34B #4BE3B0
split-complementary
#644BE3 #E3B04B #7EE34B
monochromatic
#2E189B #3D20D0 #644BE3 #9280EB #BFB5F3
Accessibility & contrast
On white
5.74
#644BE3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#644BE3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644BE3
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644BE3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644BE3 | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BE8
Deuteranopia (green-blind)
#0061E0
Tritanopia (blue-blind)
#247291
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #644be3; /* rgb */ color: rgb(100, 75, 227); /* oklch */ color: oklch(53.2% 0.219 283.6);
Tailwind
colors: {
custom: {
50: '#9c7fed',
500: '#644be3',
950: '#000000',
},
}SCSS
$custom: #644be3; $custom-light: #9c7fed; $custom-dark: #000000;
JSON
{
"hex": "#644be3",
"rgb": {
"r": 100,
"g": 75,
"b": 227
},
"hsl": {
"h": 249.868,
"s": 73.077,
"l": 59.216
},
"oklch": {
"l": 0.53178,
"c": 0.21858,
"h": 283.6
},
"luminance": 0.13288
}Semantic roles & 50–950 ramp
primary
#644BE3
secondary
#D9E3A7
accent
#F038D2
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A16
muted
#7F7C84