#646FF8#646FF8
#646FF8 is a mid, highly saturated blue. Relative luminance 0.209; OKLCH L 60.7% C 0.202 H 275.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #646FF8 |
|---|---|
| RGB | rgb(100, 111, 248) |
| HSL | hsl(236, 91%, 68%) |
| HSV | hsv(236, 60%, 97%) |
| CMYK | cmyk(59.7%, 55.2%, 0%, 2.7%) |
| CIE-LAB | lab(52.79, 35.71, -70.03) |
| CIE-LCH | lch(52.79, 78.60, 297.02°) |
| OKLab | oklab(60.71% 0.0182 -0.201) |
| OKLCH | oklch(60.71% 0.202 275.2) |
| XYZ | xyz(27.8777, 20.8533, 91.3448) |
| Luminance | 0.2086 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 3.12
Mediumslateblue
#7B68EE
ΔE00 4.74
Cornflower Blue
#5170D7
ΔE00 5.78
Royal Blue
#4169E1
ΔE00 6.34
Lightish Blue
#3D7AFD
ΔE00 6.66
Bright Blue
#0165FC
ΔE00 7.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646FF8 #F8ED64
analogous
#64B9F8 #646FF8 #A364F8
triadic
#646FF8 #F8646F #6FF864
tetradic
#646FF8 #F864B9 #F8ED64 #64F8A3
square
#646FF8 #F864B9 #F8ED64 #64F8A3
split-complementary
#646FF8 #F8A364 #B9F864
monochromatic
#0A19D8 #2939F5 #646FF8 #9FA5FB #D9DCFD
Accessibility & contrast
On white
4.06
#646FF8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.17
#646FF8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #646FF8
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646FF8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##646FF8 | 1.00 | 4.06 | 5.17 | 5.17 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0085FD
Deuteranopia (green-blind)
#0078F5
Tritanopia (blue-blind)
#008FA9
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #646ff8; /* rgb */ color: rgb(100, 111, 248); /* oklch */ color: oklch(60.7% 0.202 275.2);
Tailwind
colors: {
custom: {
50: '#9d98fb',
500: '#646ff8',
950: '#000000',
},
}SCSS
$custom: #646ff8; $custom-light: #9d98fb; $custom-dark: #000000;
JSON
{
"hex": "#646ff8",
"rgb": {
"r": 100,
"g": 111,
"b": 248
},
"hsl": {
"h": 235.541,
"s": 91.358,
"l": 68.235
},
"oklch": {
"l": 0.60708,
"c": 0.20185,
"h": 275.2
},
"luminance": 0.20856
}Semantic roles & 50–950 ramp
primary
#646FF8
secondary
#F2EFC5
accent
#D400E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#100D18
muted
#7F7E86