#644BE9#644BE9
#644BE9 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.7% C 0.226 H 282.9°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).
Color values
| HEX | #644BE9 |
|---|---|
| RGB | rgb(100, 75, 233) |
| HSL | hsl(249, 78%, 60%) |
| HSV | hsv(249, 68%, 91%) |
| CMYK | cmyk(57.1%, 67.8%, 0%, 8.6%) |
| CIE-LAB | lab(43.69, 51.91, -76.44) |
| CIE-LCH | lch(43.69, 92.40, 304.18°) |
| OKLab | oklab(53.69% 0.0505 -0.22) |
| OKLCH | oklch(53.69% 0.226 282.9) |
| XYZ | xyz(22.4750, 13.6232, 78.5202) |
| Luminance | 0.1363 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 2.46
Bluish Purple
#703BE7
ΔE00 3.80
Purpley Blue
#5F34E7
ΔE00 5.06
Light Indigo
#6D5ACF
ΔE00 5.17
Slate Blue
#6A5ACD
ΔE00 5.29
Warm Blue
#4B57DB
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644BE9 #D0E94B
analogous
#4B81E9 #644BE9 #B34BE9
triadic
#644BE9 #E9644B #4BE964
tetradic
#644BE9 #E94B81 #D0E94B #4BE9B3
square
#644BE9 #E94B81 #D0E94B #4BE9B3
split-complementary
#644BE9 #E9B34B #81E94B
monochromatic
#2B14A5 #391BDC #644BE9 #9382F0 #C2B8F6
Accessibility & contrast
On white
5.64
#644BE9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.73
#644BE9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644BE9
5.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644BE9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644BE9 | 1.00 | 5.64 | 3.73 | 5.64 |
| #FFFFFF | 5.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006CEE
Deuteranopia (green-blind)
#0062E6
Tritanopia (blue-blind)
#187494
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #644be9; /* rgb */ color: rgb(100, 75, 233); /* oklch */ color: oklch(53.7% 0.226 282.9);
Tailwind
colors: {
custom: {
50: '#9d7ff1',
500: '#644be9',
950: '#000000',
},
}SCSS
$custom: #644be9; $custom-light: #9d7ff1; $custom-dark: #000000;
JSON
{
"hex": "#644be9",
"rgb": {
"r": 100,
"g": 75,
"b": 233
},
"hsl": {
"h": 249.494,
"s": 78.218,
"l": 60.392
},
"oklch": {
"l": 0.53688,
"c": 0.22576,
"h": 282.9
},
"luminance": 0.13625
}Semantic roles & 50–950 ramp
primary
#644BE9
secondary
#DDE6AA
accent
#DA0BBA
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#100A17
muted
#7F7C85