#646EF7#646EF7
#646EF7 is a mid, highly saturated blue. Relative luminance 0.206; OKLCH L 60.5% C 0.202 H 275.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #646EF7 |
|---|---|
| RGB | rgb(100, 110, 247) |
| HSL | hsl(236, 90%, 68%) |
| HSV | hsv(236, 60%, 97%) |
| CMYK | cmyk(59.5%, 55.5%, 0%, 3.1%) |
| CIE-LAB | lab(52.48, 35.98, -69.97) |
| CIE-LCH | lch(52.48, 78.68, 297.22°) |
| OKLab | oklab(60.46% 0.0191 -0.2009) |
| OKLCH | oklch(60.46% 0.202 275.4) |
| XYZ | xyz(27.6145, 20.5744, 90.4937) |
| Luminance | 0.2058 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 3.44
Mediumslateblue
#7B68EE
ΔE00 4.53
Cornflower Blue
#5170D7
ΔE00 5.75
Royal Blue
#4169E1
ΔE00 6.21
Lightish Blue
#3D7AFD
ΔE00 6.90
Dark Periwinkle
#665FD1
ΔE00 7.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646EF7 #F7ED64
analogous
#64B8F7 #646EF7 #A364F7
triadic
#646EF7 #F7646E #6EF764
tetradic
#646EF7 #F764B8 #F7ED64 #64F7A3
square
#646EF7 #F764B8 #F7ED64 #64F7A3
split-complementary
#646EF7 #F7A364 #B8F764
monochromatic
#0B19D6 #2A38F4 #646EF7 #9EA4FA #D8DBFD
Accessibility & contrast
On white
4.11
#646EF7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.12
#646EF7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #646EF7
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646EF7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##646EF7 | 1.00 | 4.11 | 5.12 | 5.12 |
| #FFFFFF | 4.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0084FC
Deuteranopia (green-blind)
#0077F4
Tritanopia (blue-blind)
#008EA8
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #646ef7; /* rgb */ color: rgb(100, 110, 247); /* oklch */ color: oklch(60.5% 0.202 275.4);
Tailwind
colors: {
custom: {
50: '#9d97fb',
500: '#646ef7',
950: '#000000',
},
}SCSS
$custom: #646ef7; $custom-light: #9d97fb; $custom-dark: #000000;
JSON
{
"hex": "#646ef7",
"rgb": {
"r": 100,
"g": 110,
"b": 247
},
"hsl": {
"h": 235.918,
"s": 90.184,
"l": 68.039
},
"oklch": {
"l": 0.60456,
"c": 0.20178,
"h": 275.4
},
"luminance": 0.20577
}Semantic roles & 50–950 ramp
primary
#646EF7
secondary
#F2EFC5
accent
#D600E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0D17
muted
#7F7E85