#407BD3#407BD3
#407BD3 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.7% C 0.149 H 258.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #407BD3 |
|---|---|
| RGB | rgb(64, 123, 211) |
| HSL | hsl(216, 63%, 54%) |
| HSV | hsv(216, 70%, 83%) |
| CMYK | cmyk(69.7%, 41.7%, 0%, 17.3%) |
| CIE-LAB | lab(51.79, 9.84, -50.97) |
| CIE-LCH | lch(51.79, 51.92, 280.93°) |
| OKLab | oklab(58.72% -0.0301 -0.1456) |
| OKLCH | oklch(58.72% 0.149 258.3) |
| XYZ | xyz(20.9509, 19.9569, 64.3633) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.22
Deep Sky Blue
#0D75F8
ΔE00 3.90
Clear Blue
#247AFD
ΔE00 4.12
Azure
#007FFF
ΔE00 4.45
Cool Blue
#4984B8
ΔE00 4.86
Lightish Blue
#3D7AFD
ΔE00 4.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#407BD3 #D39840
analogous
#40C5D3 #407BD3 #4F40D3
triadic
#407BD3 #D3407B #7BD340
tetradic
#407BD3 #D340C5 #D39840 #40D34F
square
#407BD3 #D340C5 #D39840 #40D34F
split-complementary
#407BD3 #D34F40 #C5D340
monochromatic
#1D437C #285EAE #407BD3 #729DDE #A3C0EA
Accessibility & contrast
On white
4.21
#407BD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#407BD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #407BD3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##407BD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##407BD3 | 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)
#5183D6
Deuteranopia (green-blind)
#3975D1
Tritanopia (blue-blind)
#008F9D
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #407bd3; /* rgb */ color: rgb(64, 123, 211); /* oklch */ color: oklch(58.7% 0.149 258.3);
Tailwind
colors: {
custom: {
50: '#85a0e1',
500: '#407bd3',
950: '#000000',
},
}SCSS
$custom: #407bd3; $custom-light: #85a0e1; $custom-dark: #000000;
JSON
{
"hex": "#407bd3",
"rgb": {
"r": 64,
"g": 123,
"b": 211
},
"hsl": {
"h": 215.918,
"s": 62.553,
"l": 53.922
},
"oklch": {
"l": 0.58721,
"c": 0.14863,
"h": 258.3
},
"luminance": 0.19959
}Semantic roles & 50–950 ramp
primary
#407BD3
secondary
#D7BE98
accent
#A442E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83