#3B88CF#3B88CF
#3B88CF is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.132 H 249.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).
Color values
| HEX | #3B88CF |
|---|---|
| RGB | rgb(59, 136, 207) |
| HSL | hsl(209, 61%, 52%) |
| HSV | hsv(209, 71%, 81%) |
| CMYK | cmyk(71.5%, 34.3%, 0%, 18.8%) |
| CIE-LAB | lab(55.11, -0.16, -43.44) |
| CIE-LCH | lch(55.11, 43.44, 269.79°) |
| OKLab | oklab(61.2% -0.0466 -0.1234) |
| OKLCH | oklch(61.2% 0.132 249.3) |
| XYZ | xyz(21.8660, 23.0407, 62.3143) |
| Luminance | 0.2304 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.86
Cool Blue
#4984B8
ΔE00 2.87
Dark Sky Blue
#448EE4
ΔE00 3.37
Water Blue
#0E87CC
ΔE00 3.39
Steel Blue
#4682B4
ΔE00 3.61
Off Blue
#5684AE
ΔE00 4.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B88CF #CF823B
analogous
#3BCFCC #3B88CF #3B3ECF
triadic
#3B88CF #CF3B88 #88CF3B
tetradic
#3B88CF #CC3BCF #CF823B #3ECF3B
square
#3B88CF #CC3BCF #CF823B #3ECF3B
split-complementary
#3B88CF #CF3B3E #CFCC3B
monochromatic
#1C4A73 #2869A5 #3B88CF #6CA6DB #9DC4E7
Accessibility & contrast
On white
3.74
#3B88CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.61
#3B88CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B88CF
5.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B88CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B88CF | 1.00 | 3.74 | 5.61 | 5.61 |
| #FFFFFF | 3.74 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.61 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.61 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#688CD2
Deuteranopia (green-blind)
#537ECE
Tritanopia (blue-blind)
#0099A2
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #3b88cf; /* rgb */ color: rgb(59, 136, 207); /* oklch */ color: oklch(61.2% 0.132 249.3);
Tailwind
colors: {
custom: {
50: '#83aade',
500: '#3b88cf',
950: '#000000',
},
}SCSS
$custom: #3b88cf; $custom-light: #83aade; $custom-dark: #000000;
JSON
{
"hex": "#3b88cf",
"rgb": {
"r": 59,
"g": 136,
"b": 207
},
"hsl": {
"h": 208.784,
"s": 60.656,
"l": 52.157
},
"oklch": {
"l": 0.61197,
"c": 0.13186,
"h": 249.3
},
"luminance": 0.23043
}Semantic roles & 50–950 ramp
primary
#3B88CF
secondary
#D3B293
accent
#9144E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83