#3B8BB7#3B8BB7
#3B8BB7 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.6% C 0.102 H 236.1°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).
Color values
| HEX | #3B8BB7 |
|---|---|
| RGB | rgb(59, 139, 183) |
| HSL | hsl(201, 51%, 47%) |
| HSV | hsv(201, 68%, 72%) |
| CMYK | cmyk(67.8%, 24%, 0%, 28.2%) |
| CIE-LAB | lab(54.88, -10.21, -30.18) |
| CIE-LCH | lch(54.88, 31.86, 251.31°) |
| OKLab | oklab(60.64% -0.057 -0.0848) |
| OKLCH | oklch(60.64% 0.102 236.1) |
| XYZ | xyz(19.5802, 22.8118, 48.1618) |
| Luminance | 0.2281 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.51
Steel Blue
#4682B4
ΔE00 4.76
Cool Blue
#4984B8
ΔE00 4.81
Dusty Blue
#5A86AD
ΔE00 5.20
Off Blue
#5684AE
ΔE00 5.36
Cerulean (survey)
#0485D1
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B8BB7 #B7673B
analogous
#3BB7A5 #3B8BB7 #3B4DB7
triadic
#3B8BB7 #B73B8B #8BB73B
tetradic
#3B8BB7 #A53BB7 #B7673B #4DB73B
square
#3B8BB7 #A53BB7 #B7673B #4DB73B
split-complementary
#3B8BB7 #B73B4D #B7A53B
monochromatic
#1D455A #2C6889 #3B8BB7 #63A7CD #91C1DC
Accessibility & contrast
On white
3.78
#3B8BB7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.56
#3B8BB7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B8BB7
5.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B8BB7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B8BB7 | 1.00 | 3.78 | 5.56 | 5.56 |
| #FFFFFF | 3.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.56 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.56 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#768AB9
Deuteranopia (green-blind)
#657EB6
Tritanopia (blue-blind)
#00969A
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3b8bb7; /* rgb */ color: rgb(59, 139, 183); /* oklch */ color: oklch(60.6% 0.102 236.1);
Tailwind
colors: {
custom: {
50: '#7faccc',
500: '#3b8bb7',
950: '#000000',
},
}SCSS
$custom: #3b8bb7; $custom-light: #7faccc; $custom-dark: #000000;
JSON
{
"hex": "#3b8bb7",
"rgb": {
"r": 59,
"g": 139,
"b": 183
},
"hsl": {
"h": 201.29,
"s": 51.24,
"l": 47.451
},
"oklch": {
"l": 0.60642,
"c": 0.1022,
"h": 236.1
},
"luminance": 0.22814
}Semantic roles & 50–950 ramp
primary
#3B8BB7
secondary
#C69E87
accent
#7F4DDB
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82