#408BC3#408BC3
#408BC3 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.4% C 0.113 H 243.8°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #408BC3 |
|---|---|
| RGB | rgb(64, 139, 195) |
| HSL | hsl(206, 52%, 51%) |
| HSV | hsv(206, 67%, 76%) |
| CMYK | cmyk(67.2%, 28.7%, 0%, 23.5%) |
| CIE-LAB | lab(55.58, -5.32, -35.91) |
| CIE-LCH | lch(55.58, 36.30, 261.57°) |
| OKLab | oklab(61.42% -0.0499 -0.1013) |
| OKLCH | oklch(61.42% 0.113 243.8) |
| XYZ | xyz(21.1936, 23.4931, 55.0369) |
| Luminance | 0.2349 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.76
Cool Blue
#4984B8
ΔE00 3.00
Cerulean (survey)
#0485D1
ΔE00 3.26
Steel Blue
#4682B4
ΔE00 3.54
Off Blue
#5684AE
ΔE00 4.36
Dusty Blue
#5A86AD
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#408BC3 #C37840
analogous
#40C3B9 #408BC3 #4049C3
triadic
#408BC3 #C3408B #8BC340
tetradic
#408BC3 #B940C3 #C37840 #49C340
square
#408BC3 #B940C3 #C37840 #49C340
split-complementary
#408BC3 #C34049 #C3B940
monochromatic
#214968 #2F6A97 #408BC3 #6FA7D2 #9DC4E0
Accessibility & contrast
On white
3.68
#408BC3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.70
#408BC3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #408BC3
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##408BC3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##408BC3 | 1.00 | 3.68 | 5.70 | 5.70 |
| #FFFFFF | 3.68 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#728CC5
Deuteranopia (green-blind)
#607FC2
Tritanopia (blue-blind)
#00999F
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #408bc3; /* rgb */ color: rgb(64, 139, 195); /* oklch */ color: oklch(61.4% 0.113 243.8);
Tailwind
colors: {
custom: {
50: '#83acd5',
500: '#408bc3',
950: '#000000',
},
}SCSS
$custom: #408bc3; $custom-light: #83acd5; $custom-dark: #000000;
JSON
{
"hex": "#408bc3",
"rgb": {
"r": 64,
"g": 139,
"b": 195
},
"hsl": {
"h": 205.649,
"s": 52.191,
"l": 50.784
},
"oklch": {
"l": 0.61418,
"c": 0.11295,
"h": 243.8
},
"luminance": 0.23495
}Semantic roles & 50–950 ramp
primary
#408BC3
secondary
#CCAB92
accent
#894CDC
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83