#153fdf
a balanced, electric blue · warm · closest name: navy
RGB
21, 63, 223
HSL
228°, 83%, 48%
CMYK
91, 72, 0, 13
Luminance
0.0904
Every format
| HEX | #153fdf |
| RGB | rgb(21, 63, 223) |
| HSL | hsl(228, 83%, 48%) |
| CMYK | cmyk(91%, 72%, 0%, 13%) |
| LAB | lab(36.1 48.2 -83.5) |
| LCH | lch(36.1 96.4 300.0) |
| OKLCH | oklch(0.468 0.243 265.0) |
Copy-ready code
/* CSS */
color: #153fdf;
background-color: #153fdf;
/* Tailwind (arbitrary) */
class="text-[#153fdf] bg-[#153fdf]"
/* SCSS */
$brand: #153fdf;
/* SwiftUI */
Color(red: 0.082, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#153fdf")Accessibility — WCAG contrast
Aa
#153fdf on white: 7.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#153fdf on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green24.7%
Blue87.5%
CMYK percentages
Cyan90.6%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#153fdf text on a black background
contrast 2.81:1
Card sample
#153fdf text on a white background
contrast 7.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #153fdf;
Background color
Panel with #153fdf background
background-color: #153fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #153fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #153fdf; background: linear-gradient(135deg, #153fdf, #7115DF);