#3687C2#3687C2
#3687C2 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.1% C 0.119 H 243.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #3687C2 |
|---|---|
| RGB | rgb(54, 135, 194) |
| HSL | hsl(205, 56%, 49%) |
| HSV | hsv(205, 72%, 76%) |
| CMYK | cmyk(72.2%, 30.4%, 0%, 23.9%) |
| CIE-LAB | lab(54.03, -4.87, -37.79) |
| CIE-LCH | lch(54.03, 38.10, 262.66°) |
| OKLab | oklab(60.09% -0.0524 -0.1069) |
| OKLCH | oklch(60.09% 0.119 243.9) |
| XYZ | xyz(19.9192, 22.0050, 54.2261) |
| Luminance | 0.2201 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.78
Cerulean (survey)
#0485D1
ΔE00 2.12
Cool Blue
#4984B8
ΔE00 2.48
Steel Blue
#4682B4
ΔE00 2.69
Off Blue
#5684AE
ΔE00 4.31
Dusty Blue
#5A86AD
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3687C2 #C27136
analogous
#36C2B7 #3687C2 #3641C2
triadic
#3687C2 #C23687 #87C236
tetradic
#3687C2 #B736C2 #C27136 #41C236
square
#3687C2 #B736C2 #C27136 #41C236
split-complementary
#3687C2 #C23641 #C2B736
monochromatic
#1B4462 #296692 #3687C2 #62A4D3 #92BFE1
Accessibility & contrast
On white
3.89
#3687C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.40
#3687C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3687C2
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3687C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3687C2 | 1.00 | 3.89 | 5.40 | 5.40 |
| #FFFFFF | 3.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C89C5
Deuteranopia (green-blind)
#597BC1
Tritanopia (blue-blind)
#00959C
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3687c2; /* rgb */ color: rgb(54, 135, 194); /* oklch */ color: oklch(60.1% 0.119 243.9);
Tailwind
colors: {
custom: {
50: '#7fa9d4',
500: '#3687c2',
950: '#000000',
},
}SCSS
$custom: #3687c2; $custom-light: #7fa9d4; $custom-dark: #000000;
JSON
{
"hex": "#3687c2",
"rgb": {
"r": 54,
"g": 135,
"b": 194
},
"hsl": {
"h": 205.286,
"s": 56.452,
"l": 48.627
},
"oklch": {
"l": 0.60094,
"c": 0.11907,
"h": 243.9
},
"luminance": 0.22007
}Semantic roles & 50–950 ramp
primary
#3687C2
secondary
#CCA588
accent
#8848E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83