#3B9DB9#3B9DB9
#3B9DB9 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.098 H 220.4°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).
Color values
| HEX | #3B9DB9 |
|---|---|
| RGB | rgb(59, 157, 185) |
| HSL | hsl(193, 52%, 48%) |
| HSV | hsv(193, 68%, 73%) |
| CMYK | cmyk(68.1%, 15.1%, 0%, 27.5%) |
| CIE-LAB | lab(60.38, -19.39, -22.83) |
| CIE-LCH | lch(60.38, 29.95, 229.66°) |
| OKLab | oklab(65.06% -0.0749 -0.0637) |
| OKLCH | oklch(65.06% 0.098 220.4) |
| XYZ | xyz(22.6140, 28.5440, 50.2073) |
| Luminance | 0.2855 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.59
Turquoise Blue
#06B1C4
ΔE00 7.74
Teal Blue
#01889F
ΔE00 8.10
Cadetblue
#5F9EA0
ΔE00 9.34
Dirty Blue
#3F829D
ΔE00 9.35
Bluegrey
#85A3B2
ΔE00 10.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B9DB9 #B9573B
analogous
#3BB996 #3B9DB9 #3B5EB9
triadic
#3B9DB9 #B93B9D #9DB93B
tetradic
#3B9DB9 #963BB9 #B9573B #5EB93B
square
#3B9DB9 #963BB9 #B9573B #5EB93B
split-complementary
#3B9DB9 #B93B5E #B9963B
monochromatic
#1D4E5C #2C768B #3B9DB9 #64B6CD #92CCDC
Accessibility & contrast
On white
3.13
#3B9DB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.71
#3B9DB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B9DB9
6.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B9DB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B9DB9 | 1.00 | 3.13 | 6.71 | 6.71 |
| #FFFFFF | 3.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C99BB
Deuteranopia (green-blind)
#7A8CB9
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #3b9db9; /* rgb */ color: rgb(59, 157, 185); /* oklch */ color: oklch(65.1% 0.098 220.4);
Tailwind
colors: {
custom: {
50: '#80bace',
500: '#3b9db9',
950: '#000000',
},
}SCSS
$custom: #3b9db9; $custom-light: #80bace; $custom-dark: #000000;
JSON
{
"hex": "#3b9db9",
"rgb": {
"r": 59,
"g": 157,
"b": 185
},
"hsl": {
"h": 193.333,
"s": 51.639,
"l": 47.843
},
"oklch": {
"l": 0.6506,
"c": 0.09835,
"h": 220.4
},
"luminance": 0.28547
}Semantic roles & 50–950 ramp
primary
#3B9DB9
secondary
#C79688
accent
#6C4DDB
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1113
muted
#7C8082