#407DE0#407DE0
#407DE0 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.164 H 259.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #407DE0 |
|---|---|
| RGB | rgb(64, 125, 224) |
| HSL | hsl(217, 72%, 56%) |
| HSV | hsv(217, 71%, 88%) |
| CMYK | cmyk(71.4%, 44.2%, 0%, 12.2%) |
| CIE-LAB | lab(53.10, 13.28, -56.21) |
| CIE-LCH | lch(53.10, 57.76, 283.29°) |
| OKLab | oklab(59.98% -0.0294 -0.1609) |
| OKLCH | oklch(59.98% 0.164 259.6) |
| XYZ | xyz(22.8977, 21.1366, 73.3796) |
| Luminance | 0.2114 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Clear Blue
#247AFD
ΔE00 2.89
Azure
#007FFF
ΔE00 3.27
Deep Sky Blue
#0D75F8
ΔE00 3.41
Dodger Blue
#3E82FC
ΔE00 3.49
Lightish Blue
#3D7AFD
ΔE00 3.63
Windows Blue
#3778BF
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#407DE0 #E0A340
analogous
#40CDE0 #407DE0 #5340E0
triadic
#407DE0 #E0407D #7DE040
tetradic
#407DE0 #E040CD #E0A340 #40E053
square
#407DE0 #E040CD #E0A340 #40E053
split-complementary
#407DE0 #E05340 #CDE040
monochromatic
#17458E #205EC3 #407DE0 #75A1E9 #A9C5F1
Accessibility & contrast
On white
4.02
#407DE0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#407DE0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #407DE0
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##407DE0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##407DE0 | 1.00 | 4.02 | 5.23 | 5.23 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B87E4
Deuteranopia (green-blind)
#2C78DE
Tritanopia (blue-blind)
#0094A3
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #407de0; /* rgb */ color: rgb(64, 125, 224); /* oklch */ color: oklch(60.0% 0.164 259.6);
Tailwind
colors: {
custom: {
50: '#88a2ea',
500: '#407de0',
950: '#000000',
},
}SCSS
$custom: #407de0; $custom-light: #88a2ea; $custom-dark: #000000;
JSON
{
"hex": "#407de0",
"rgb": {
"r": 64,
"g": 125,
"b": 224
},
"hsl": {
"h": 217.125,
"s": 72.072,
"l": 56.471
},
"oklch": {
"l": 0.59977,
"c": 0.16358,
"h": 259.6
},
"luminance": 0.21139
}Semantic roles & 50–950 ramp
primary
#407DE0
secondary
#DFC69D
accent
#A939EF
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0F16
muted
#7E7E84