#3B9FBE#3B9FBE
#3B9FBE is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.8% C 0.101 H 222.3°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).
Color values
| HEX | #3B9FBE |
|---|---|
| RGB | rgb(59, 159, 190) |
| HSL | hsl(194, 53%, 49%) |
| HSV | hsv(194, 69%, 75%) |
| CMYK | cmyk(68.9%, 16.3%, 0%, 25.5%) |
| CIE-LAB | lab(61.17, -18.84, -24.42) |
| CIE-LCH | lch(61.17, 30.85, 232.35°) |
| OKLab | oklab(65.76% -0.0751 -0.0682) |
| OKLCH | oklch(65.76% 0.101 222.3) |
| XYZ | xyz(23.4922, 29.4412, 53.1498) |
| Luminance | 0.2944 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.37
Turquoise Blue
#06B1C4
ΔE00 7.91
Teal Blue
#01889F
ΔE00 9.00
Dirty Blue
#3F829D
ΔE00 9.89
Cadetblue
#5F9EA0
ΔE00 10.19
Bluegrey
#85A3B2
ΔE00 10.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B9FBE #BE5A3B
analogous
#3BBE9C #3B9FBE #3B5EBE
triadic
#3B9FBE #BE3B9F #9FBE3B
tetradic
#3B9FBE #9C3BBE #BE5A3B #5EBE3B
square
#3B9FBE #9C3BBE #BE5A3B #5EBE3B
split-complementary
#3B9FBE #BE3B5E #BE9C3B
monochromatic
#1E5161 #2C788F #3B9FBE #67B7D0 #95CDDE
Accessibility & contrast
On white
3.05
#3B9FBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.89
#3B9FBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B9FBE
6.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B9FBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B9FBE | 1.00 | 3.05 | 6.89 | 6.89 |
| #FFFFFF | 3.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D9BC0
Deuteranopia (green-blind)
#7B8EBE
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #3b9fbe; /* rgb */ color: rgb(59, 159, 190); /* oklch */ color: oklch(65.8% 0.101 222.3);
Tailwind
colors: {
custom: {
50: '#81bbd1',
500: '#3b9fbe',
950: '#000000',
},
}SCSS
$custom: #3b9fbe; $custom-light: #81bbd1; $custom-dark: #000000;
JSON
{
"hex": "#3b9fbe",
"rgb": {
"r": 59,
"g": 159,
"b": 190
},
"hsl": {
"h": 194.198,
"s": 52.61,
"l": 48.824
},
"oklch": {
"l": 0.65758,
"c": 0.10142,
"h": 222.3
},
"luminance": 0.29444
}Semantic roles & 50–950 ramp
primary
#3B9FBE
secondary
#CA9A8B
accent
#6E4CDC
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182