#309eee
a balanced, electric blue · cool · closest name: steelblue
RGB
48, 158, 238
HSL
205°, 85%, 56%
CMYK
80, 34, 0, 7
Luminance
0.3126
Every format
| HEX | #309eee |
| RGB | rgb(48, 158, 238) |
| HSL | hsl(205, 85%, 56%) |
| CMYK | cmyk(80%, 34%, 0%, 7%) |
| LAB | lab(62.7 -3.2 -48.7) |
| LCH | lch(62.7 48.8 266.2) |
| OKLCH | oklch(0.676 0.152 245.4) |
Copy-ready code
/* CSS */
color: #309eee;
background-color: #309eee;
/* Tailwind (arbitrary) */
class="text-[#309eee] bg-[#309eee]"
/* SCSS */
$brand: #309eee;
/* SwiftUI */
Color(red: 0.188, green: 0.620, blue: 0.933)
/* Android */
Color.parseColor("#309eee")Accessibility — WCAG contrast
Aa
#309eee on white: 2.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#309eee on black: 7.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green62.0%
Blue93.3%
CMYK percentages
Cyan79.8%
Magenta33.6%
Yellow0.0%
Key (black)6.7%
Color previews
#309eee text on a black background
contrast 7.25:1
Card sample
#309eee text on a white background
contrast 2.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309eee;
Background color
Panel with #309eee background
background-color: #309eee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309eee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 158, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 158, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309eee; background: linear-gradient(135deg, #309eee, #4130EE);