#3B88CE#3B88CE
#3B88CE is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.1% C 0.131 H 249.0°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).
Color values
| HEX | #3B88CE |
|---|---|
| RGB | rgb(59, 136, 206) |
| HSL | hsl(209, 60%, 52%) |
| HSV | hsv(209, 71%, 81%) |
| CMYK | cmyk(71.4%, 34%, 0%, 19.2%) |
| CIE-LAB | lab(55.06, -0.51, -42.95) |
| CIE-LCH | lch(55.06, 42.96, 269.32°) |
| OKLab | oklab(61.14% -0.0469 -0.1219) |
| OKLCH | oklch(61.14% 0.131 249) |
| XYZ | xyz(21.7442, 22.9920, 61.6725) |
| Luminance | 0.2299 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.77
Cool Blue
#4984B8
ΔE00 2.79
Water Blue
#0E87CC
ΔE00 3.27
Dark Sky Blue
#448EE4
ΔE00 3.48
Steel Blue
#4682B4
ΔE00 3.52
Off Blue
#5684AE
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B88CE #CE813B
analogous
#3BCECA #3B88CE #3B3FCE
triadic
#3B88CE #CE3B88 #88CE3B
tetradic
#3B88CE #CA3BCE #CE813B #3FCE3B
square
#3B88CE #CA3BCE #CE813B #3FCE3B
split-complementary
#3B88CE #CE3B3F #CECA3B
monochromatic
#1D4972 #2969A3 #3B88CE #6CA6DA #9DC3E6
Accessibility & contrast
On white
3.75
#3B88CE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.60
#3B88CE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B88CE
5.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B88CE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B88CE | 1.00 | 3.75 | 5.60 | 5.60 |
| #FFFFFF | 3.75 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#688BD1
Deuteranopia (green-blind)
#537ECD
Tritanopia (blue-blind)
#0099A1
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #3b88ce; /* rgb */ color: rgb(59, 136, 206); /* oklch */ color: oklch(61.1% 0.131 249.0);
Tailwind
colors: {
custom: {
50: '#82aadd',
500: '#3b88ce',
950: '#000000',
},
}SCSS
$custom: #3b88ce; $custom-light: #82aadd; $custom-dark: #000000;
JSON
{
"hex": "#3b88ce",
"rgb": {
"r": 59,
"g": 136,
"b": 206
},
"hsl": {
"h": 208.571,
"s": 60,
"l": 51.961
},
"oklch": {
"l": 0.61141,
"c": 0.13063,
"h": 249
},
"luminance": 0.22994
}Semantic roles & 50–950 ramp
primary
#3B88CE
secondary
#D3B192
accent
#9045E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83