#3887CF#3887CF
#3887CF is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.9% C 0.134 H 249.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).
Color values
| HEX | #3887CF |
|---|---|
| RGB | rgb(56, 135, 207) |
| HSL | hsl(209, 61%, 52%) |
| HSV | hsv(209, 73%, 81%) |
| CMYK | cmyk(72.9%, 34.8%, 0%, 18.8%) |
| CIE-LAB | lab(54.73, 0.02, -44.05) |
| CIE-LCH | lch(54.73, 44.05, 270.03°) |
| OKLab | oklab(60.87% -0.0475 -0.1252) |
| OKLCH | oklch(60.87% 0.134 249.2) |
| XYZ | xyz(21.5531, 22.6713, 62.2595) |
| Luminance | 0.2267 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.61
Cool Blue
#4984B8
ΔE00 2.78
Water Blue
#0E87CC
ΔE00 3.24
Steel Blue
#4682B4
ΔE00 3.45
Dark Sky Blue
#448EE4
ΔE00 3.67
Off Blue
#5684AE
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3887CF #CF8038
analogous
#38CFCC #3887CF #383CCF
triadic
#3887CF #CF3887 #87CF38
tetradic
#3887CF #CC38CF #CF8038 #3CCF38
square
#3887CF #CC38CF #CF8038 #3CCF38
split-complementary
#3887CF #CF383C #CFCC38
monochromatic
#1B4871 #2768A3 #3887CF #69A5DB #9BC2E7
Accessibility & contrast
On white
3.79
#3887CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.53
#3887CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3887CF
5.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3887CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3887CF | 1.00 | 3.79 | 5.53 | 5.53 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#668BD2
Deuteranopia (green-blind)
#507DCE
Tritanopia (blue-blind)
#0098A1
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3887cf; /* rgb */ color: rgb(56, 135, 207); /* oklch */ color: oklch(60.9% 0.134 249.2);
Tailwind
colors: {
custom: {
50: '#81a9de',
500: '#3887cf',
950: '#000000',
},
}SCSS
$custom: #3887cf; $custom-light: #81a9de; $custom-dark: #000000;
JSON
{
"hex": "#3887cf",
"rgb": {
"r": 56,
"g": 135,
"b": 207
},
"hsl": {
"h": 208.609,
"s": 61.134,
"l": 51.569
},
"oklch": {
"l": 0.60871,
"c": 0.13388,
"h": 249.2
},
"luminance": 0.22674
}Semantic roles & 50–950 ramp
primary
#3887CF
secondary
#D3B090
accent
#9044E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83