#406DB7#406DB7
#406DB7 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.9% C 0.127 H 259.8°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #406DB7 |
|---|---|
| RGB | rgb(64, 109, 183) |
| HSL | hsl(217, 48%, 48%) |
| HSV | hsv(217, 65%, 72%) |
| CMYK | cmyk(65%, 40.4%, 0%, 28.2%) |
| CIE-LAB | lab(46.24, 8.54, -43.76) |
| CIE-LCH | lch(46.24, 44.59, 281.05°) |
| OKLab | oklab(53.91% -0.0223 -0.1246) |
| OKLCH | oklch(53.91% 0.127 259.8) |
| XYZ | xyz(16.1272, 15.4446, 46.9218) |
| Luminance | 0.1545 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.41
Medium Blue
#2C6FBB
ΔE00 2.87
Mid Blue
#276AB3
ΔE00 3.30
Flat Blue
#3C73A8
ΔE00 3.96
Muted Blue
#3B719F
ΔE00 4.75
Windows Blue
#3778BF
ΔE00 4.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#406DB7 #B78A40
analogous
#40A8B7 #406DB7 #4E40B7
triadic
#406DB7 #B7406D #6DB740
tetradic
#406DB7 #B740A8 #B78A40 #40B74E
square
#406DB7 #B740A8 #B78A40 #40B74E
split-complementary
#406DB7 #B74E40 #A8B740
monochromatic
#20375C #30528A #406DB7 #698ECB #97B0DB
Accessibility & contrast
On white
5.14
#406DB7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#406DB7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #406DB7
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##406DB7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##406DB7 | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C74BA
Deuteranopia (green-blind)
#3A68B5
Tritanopia (blue-blind)
#007E89
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #406db7; /* rgb */ color: rgb(64, 109, 183); /* oklch */ color: oklch(53.9% 0.127 259.8);
Tailwind
colors: {
custom: {
50: '#8196cd',
500: '#406db7',
950: '#000000',
},
}SCSS
$custom: #406db7; $custom-light: #8196cd; $custom-dark: #000000;
JSON
{
"hex": "#406db7",
"rgb": {
"r": 64,
"g": 109,
"b": 183
},
"hsl": {
"h": 217.311,
"s": 48.178,
"l": 48.431
},
"oklch": {
"l": 0.53907,
"c": 0.12659,
"h": 259.8
},
"luminance": 0.15446
}Semantic roles & 50–950 ramp
primary
#406DB7
secondary
#C6B08D
accent
#A450D8
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D13
muted
#7C7E82