#646BF9#646BF9
#646BF9 is a mid, highly saturated blue. Relative luminance 0.201; OKLCH L 60.1% C 0.208 H 276.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #646BF9 |
|---|---|
| RGB | rgb(100, 107, 249) |
| HSL | hsl(237, 93%, 68%) |
| HSV | hsv(237, 60%, 98%) |
| CMYK | cmyk(59.8%, 57%, 0%, 2.4%) |
| CIE-LAB | lab(51.91, 38.42, -72.01) |
| CIE-LCH | lch(51.91, 81.62, 298.08°) |
| OKLab | oklab(60.07% 0.0219 -0.2069) |
| OKLCH | oklch(60.07% 0.208 276) |
| XYZ | xyz(27.6066, 20.0621, 92.0218) |
| Luminance | 0.2006 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.10
Cornflower
#6A79F7
ΔE00 4.35
Cornflower Blue
#5170D7
ΔE00 6.23
Royal Blue
#4169E1
ΔE00 6.33
Dark Periwinkle
#665FD1
ΔE00 6.86
Bright Blue
#0165FC
ΔE00 7.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646BF9 #F9F264
analogous
#64B5F9 #646BF9 #A764F9
triadic
#646BF9 #F9646B #6BF964
tetradic
#646BF9 #F964B5 #F9F264 #64F9A7
square
#646BF9 #F964B5 #F9F264 #64F9A7
split-complementary
#646BF9 #F9A764 #B5F964
monochromatic
#0812DA #2933F7 #646BF9 #9FA3FB #DADCFE
Accessibility & contrast
On white
4.19
#646BF9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#646BF9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #646BF9
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646BF9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##646BF9 | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0082FE
Deuteranopia (green-blind)
#0075F6
Tritanopia (blue-blind)
#008DA8
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #646bf9; /* rgb */ color: rgb(100, 107, 249); /* oklch */ color: oklch(60.1% 0.208 276.0);
Tailwind
colors: {
custom: {
50: '#9d95fc',
500: '#646bf9',
950: '#000000',
},
}SCSS
$custom: #646bf9; $custom-light: #9d95fc; $custom-dark: #000000;
JSON
{
"hex": "#646bf9",
"rgb": {
"r": 100,
"g": 107,
"b": 249
},
"hsl": {
"h": 237.181,
"s": 92.547,
"l": 68.431
},
"oklch": {
"l": 0.60074,
"c": 0.20805,
"h": 276
},
"luminance": 0.20064
}Semantic roles & 50–950 ramp
primary
#646BF9
secondary
#F3F1C6
accent
#DB00E6
background
#FAF9FF
surface
#F4F1FF
border
#CECBD7
text
#100D18
muted
#7F7E86