#3686C3#3686C3
#3686C3 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.121 H 245.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #3686C3 |
|---|---|
| RGB | rgb(54, 134, 195) |
| HSL | hsl(206, 57%, 49%) |
| HSV | hsv(206, 72%, 76%) |
| CMYK | cmyk(72.3%, 31.3%, 0%, 23.5%) |
| CIE-LAB | lab(53.78, -3.93, -38.74) |
| CIE-LCH | lch(53.78, 38.94, 264.20°) |
| OKLab | oklab(59.91% -0.0511 -0.1097) |
| OKLCH | oklch(59.91% 0.121 245) |
| XYZ | xyz(19.8930, 21.7724, 54.7732) |
| Luminance | 0.2177 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 1.92
Water Blue
#0E87CC
ΔE00 1.94
Cool Blue
#4984B8
ΔE00 2.22
Steel Blue
#4682B4
ΔE00 2.46
Off Blue
#5684AE
ΔE00 4.19
Dusty Blue
#5A86AD
ΔE00 4.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3686C3 #C37336
analogous
#36C3BA #3686C3 #3640C3
triadic
#3686C3 #C33686 #86C336
tetradic
#3686C3 #BA36C3 #C37336 #40C336
square
#3686C3 #BA36C3 #C37336 #40C336
split-complementary
#3686C3 #C33640 #C3BA36
monochromatic
#1B4463 #296593 #3686C3 #63A3D4 #92BFE1
Accessibility & contrast
On white
3.92
#3686C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.36
#3686C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3686C3
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3686C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3686C3 | 1.00 | 3.92 | 5.36 | 5.36 |
| #FFFFFF | 3.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A88C6
Deuteranopia (green-blind)
#577BC2
Tritanopia (blue-blind)
#00959C
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3686c3; /* rgb */ color: rgb(54, 134, 195); /* oklch */ color: oklch(59.9% 0.121 245.0);
Tailwind
colors: {
custom: {
50: '#7fa9d5',
500: '#3686c3',
950: '#000000',
},
}SCSS
$custom: #3686c3; $custom-light: #7fa9d5; $custom-dark: #000000;
JSON
{
"hex": "#3686c3",
"rgb": {
"r": 54,
"g": 134,
"b": 195
},
"hsl": {
"h": 205.957,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.59914,
"c": 0.12105,
"h": 245
},
"luminance": 0.21775
}Semantic roles & 50–950 ramp
primary
#3686C3
secondary
#CCA689
accent
#8A48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83