#399bbc
a balanced, vivid cyan · cool · closest name: steelblue
RGB
57, 155, 188
HSL
195°, 54%, 48%
CMYK
70, 18, 0, 26
Luminance
0.2794
Every format
| HEX | #399bbc |
| RGB | rgb(57, 155, 188) |
| HSL | hsl(195, 54%, 48%) |
| CMYK | cmyk(70%, 18%, 0%, 26%) |
| LAB | lab(59.8 -17.6 -25.4) |
| LCH | lch(59.8 30.9 235.2) |
| OKLCH | oklch(0.646 0.102 224.2) |
Copy-ready code
/* CSS */
color: #399bbc;
background-color: #399bbc;
/* Tailwind (arbitrary) */
class="text-[#399bbc] bg-[#399bbc]"
/* SCSS */
$brand: #399bbc;
/* SwiftUI */
Color(red: 0.224, green: 0.608, blue: 0.737)
/* Android */
Color.parseColor("#399bbc")Accessibility — WCAG contrast
Aa
#399bbc on white: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#399bbc on black: 6.59:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green60.8%
Blue73.7%
CMYK percentages
Cyan69.7%
Magenta17.6%
Yellow0.0%
Key (black)26.3%
Color previews
#399bbc text on a black background
contrast 6.59:1
Card sample
#399bbc text on a white background
contrast 3.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #399bbc;
Background color
Panel with #399bbc background
background-color: #399bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #399bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 155, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 155, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #399bbc; background: linear-gradient(135deg, #399bbc, #3944BC);