#3B87CC#3B87CC
#3B87CC is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 60.8% C 0.129 H 248.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).
Color values
| HEX | #3B87CC |
|---|---|
| RGB | rgb(59, 135, 204) |
| HSL | hsl(209, 59%, 52%) |
| HSV | hsv(209, 71%, 80%) |
| CMYK | cmyk(71.1%, 33.8%, 0%, 20%) |
| CIE-LAB | lab(54.67, -0.63, -42.44) |
| CIE-LCH | lch(54.67, 42.44, 269.15°) |
| OKLab | oklab(60.8% -0.0465 -0.1204) |
| OKLCH | oklch(60.8% 0.129 248.9) |
| XYZ | xyz(21.3626, 22.6150, 60.3543) |
| Luminance | 0.2262 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.50
Cerulean (survey)
#0485D1
ΔE00 2.65
Steel Blue
#4682B4
ΔE00 3.19
Water Blue
#0E87CC
ΔE00 3.20
Dark Sky Blue
#448EE4
ΔE00 3.80
Off Blue
#5684AE
ΔE00 4.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B87CC #CC803B
analogous
#3BCCC9 #3B87CC #3B3FCC
triadic
#3B87CC #CC3B87 #87CC3B
tetradic
#3B87CC #C93BCC #CC803B #3FCC3B
square
#3B87CC #C93BCC #CC803B #3FCC3B
split-complementary
#3B87CC #CC3B3F #CCC93B
monochromatic
#1D4870 #2A68A0 #3B87CC #6CA5D9 #9CC2E5
Accessibility & contrast
On white
3.80
#3B87CC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.52
#3B87CC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B87CC
5.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B87CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B87CC | 1.00 | 3.80 | 5.52 | 5.52 |
| #FFFFFF | 3.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.52 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.52 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#688ACF
Deuteranopia (green-blind)
#537DCB
Tritanopia (blue-blind)
#0097A0
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3b87cc; /* rgb */ color: rgb(59, 135, 204); /* oklch */ color: oklch(60.8% 0.129 248.9);
Tailwind
colors: {
custom: {
50: '#82a9dc',
500: '#3b87cc',
950: '#000000',
},
}SCSS
$custom: #3b87cc; $custom-light: #82a9dc; $custom-dark: #000000;
JSON
{
"hex": "#3b87cc",
"rgb": {
"r": 59,
"g": 135,
"b": 204
},
"hsl": {
"h": 208.552,
"s": 58.704,
"l": 51.569
},
"oklch": {
"l": 0.60802,
"c": 0.1291,
"h": 248.9
},
"luminance": 0.22617
}Semantic roles & 50–950 ramp
primary
#3B87CC
secondary
#D1B092
accent
#9046E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83