#3686C5#3686C5
#3686C5 is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.0% C 0.123 H 245.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #3686C5 |
|---|---|
| RGB | rgb(54, 134, 197) |
| HSL | hsl(206, 57%, 49%) |
| HSV | hsv(206, 73%, 77%) |
| CMYK | cmyk(72.6%, 32%, 0%, 22.7%) |
| CIE-LAB | lab(53.88, -3.22, -39.73) |
| CIE-LCH | lch(53.88, 39.86, 265.36°) |
| OKLab | oklab(60.02% -0.0505 -0.1126) |
| OKLCH | oklch(60.02% 0.123 245.8) |
| XYZ | xyz(20.1206, 21.8634, 55.9721) |
| Luminance | 0.2187 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 1.86
Water Blue
#0E87CC
ΔE00 2.07
Cool Blue
#4984B8
ΔE00 2.22
Steel Blue
#4682B4
ΔE00 2.55
Off Blue
#5684AE
ΔE00 4.23
Dusty Blue
#5A86AD
ΔE00 4.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3686C5 #C57536
analogous
#36C5BD #3686C5 #363EC5
triadic
#3686C5 #C53686 #86C536
tetradic
#3686C5 #BD36C5 #C57536 #3EC536
square
#3686C5 #BD36C5 #C57536 #3EC536
split-complementary
#3686C5 #C5363E #C5BD36
monochromatic
#1C4565 #296595 #3686C5 #64A3D4 #94BFE2
Accessibility & contrast
On white
3.91
#3686C5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#3686C5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3686C5
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3686C5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3686C5 | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6988C8
Deuteranopia (green-blind)
#557BC4
Tritanopia (blue-blind)
#00959C
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3686c5; /* rgb */ color: rgb(54, 134, 197); /* oklch */ color: oklch(60.0% 0.123 245.8);
Tailwind
colors: {
custom: {
50: '#7fa9d7',
500: '#3686c5',
950: '#000000',
},
}SCSS
$custom: #3686c5; $custom-light: #7fa9d7; $custom-dark: #000000;
JSON
{
"hex": "#3686c5",
"rgb": {
"r": 54,
"g": 134,
"b": 197
},
"hsl": {
"h": 206.434,
"s": 56.972,
"l": 49.216
},
"oklch": {
"l": 0.60022,
"c": 0.12341,
"h": 245.8
},
"luminance": 0.21866
}Semantic roles & 50–950 ramp
primary
#3686C5
secondary
#CDA78A
accent
#8B48E0
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B0F14
muted
#7C7F83