#039bdf
a dark, electric cyan · cool · closest name: steelblue
RGB
3, 155, 223
HSL
199°, 97%, 44%
CMYK
99, 31, 0, 13
Luminance
0.2879
Every format
| HEX | #039bdf |
| RGB | rgb(3, 155, 223) |
| HSL | hsl(199, 97%, 44%) |
| CMYK | cmyk(99%, 31%, 0%, 13%) |
| LAB | lab(60.6 -9.5 -43.8) |
| LCH | lch(60.6 44.8 257.8) |
| OKLCH | oklch(0.655 0.146 238.5) |
Copy-ready code
/* CSS */
color: #039bdf;
background-color: #039bdf;
/* Tailwind (arbitrary) */
class="text-[#039bdf] bg-[#039bdf]"
/* SCSS */
$brand: #039bdf;
/* SwiftUI */
Color(red: 0.012, green: 0.608, blue: 0.875)
/* Android */
Color.parseColor("#039bdf")Accessibility — WCAG contrast
Aa
#039bdf on white: 3.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#039bdf on black: 6.76:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green60.8%
Blue87.5%
CMYK percentages
Cyan98.7%
Magenta30.5%
Yellow0.0%
Key (black)12.5%
Color previews
#039bdf text on a black background
contrast 6.76:1
Card sample
#039bdf text on a white background
contrast 3.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #039bdf;
Background color
Panel with #039bdf background
background-color: #039bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #039bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 155, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 155, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #039bdf; background: linear-gradient(135deg, #039bdf, #0309DF);