#0099bb
a dark, electric cyan · cool · closest name: steelblue
RGB
0, 153, 187
HSL
191°, 100%, 37%
CMYK
100, 18, 0, 27
Luminance
0.2637
Every format
| HEX | #0099bb |
| RGB | rgb(0, 153, 187) |
| HSL | hsl(191, 100%, 37%) |
| CMYK | cmyk(100%, 18%, 0%, 27%) |
| LAB | lab(58.4 -21.5 -27.1) |
| LCH | lch(58.4 34.6 231.6) |
| OKLCH | oklch(0.632 0.116 221.0) |
Copy-ready code
/* CSS */
color: #0099bb;
background-color: #0099bb;
/* Tailwind (arbitrary) */
class="text-[#0099bb] bg-[#0099bb]"
/* SCSS */
$brand: #0099bb;
/* SwiftUI */
Color(red: 0.000, green: 0.600, blue: 0.733)
/* Android */
Color.parseColor("#0099bb")Accessibility — WCAG contrast
Aa
#0099bb on white: 3.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#0099bb on black: 6.27:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green60.0%
Blue73.3%
CMYK percentages
Cyan100.0%
Magenta18.2%
Yellow0.0%
Key (black)26.7%
Color previews
#0099bb text on a black background
contrast 6.27:1
Card sample
#0099bb text on a white background
contrast 3.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0099bb;
Background color
Panel with #0099bb background
background-color: #0099bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0099bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 153, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 153, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0099bb; background: linear-gradient(135deg, #0099bb, #001CBB);