#646FE9#646FE9
#646FE9 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.6% C 0.182 H 275.5°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #646FE9 |
|---|---|
| RGB | rgb(100, 111, 233) |
| HSL | hsl(235, 75%, 65%) |
| HSV | hsv(235, 57%, 91%) |
| CMYK | cmyk(57.1%, 52.4%, 0%, 8.6%) |
| CIE-LAB | lab(51.79, 30.88, -63.27) |
| CIE-LCH | lch(51.79, 70.40, 296.01°) |
| OKLab | oklab(59.65% 0.0176 -0.1811) |
| OKLCH | oklch(59.65% 0.182 275.5) |
| XYZ | xyz(25.6432, 19.9595, 79.5763) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 3.76
Cornflower Blue
#5170D7
ΔE00 4.38
Mediumslateblue
#7B68EE
ΔE00 4.90
Royal Blue
#4169E1
ΔE00 5.35
Dark Periwinkle
#665FD1
ΔE00 6.43
Lightish Blue
#3D7AFD
ΔE00 6.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646FE9 #E9DE64
analogous
#64B1E9 #646FE9 #9C64E9
triadic
#646FE9 #E9646F #6FE964
tetradic
#646FE9 #E964B1 #E9DE64 #64E99C
square
#646FE9 #E964B1 #E9DE64 #64E99C
split-complementary
#646FE9 #E99C64 #B1E964
monochromatic
#1A27B8 #2E3DE1 #646FE9 #9AA1F1 #CFD3F8
Accessibility & contrast
On white
4.21
#646FE9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#646FE9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #646FE9
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646FE9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##646FE9 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2681ED
Deuteranopia (green-blind)
#0076E6
Tritanopia (blue-blind)
#078BA1
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #646fe9; /* rgb */ color: rgb(100, 111, 233); /* oklch */ color: oklch(59.6% 0.182 275.5);
Tailwind
colors: {
custom: {
50: '#9b98f1',
500: '#646fe9',
950: '#000000',
},
}SCSS
$custom: #646fe9; $custom-light: #9b98f1; $custom-dark: #000000;
JSON
{
"hex": "#646fe9",
"rgb": {
"r": 100,
"g": 111,
"b": 233
},
"hsl": {
"h": 235.038,
"s": 75.141,
"l": 65.294
},
"oklch": {
"l": 0.59645,
"c": 0.182,
"h": 275.5
},
"luminance": 0.19961
}Semantic roles & 50–950 ramp
primary
#646FE9
secondary
#EBE7BE
accent
#C70ED7
background
#FAF9FE
surface
#F4F2FD
border
#CECCD5
text
#0F0D17
muted
#7F7E85