#1528bf
a dark, electric blue · warm · closest name: navy
RGB
21, 40, 191
HSL
233°, 80%, 42%
CMYK
89, 79, 0, 25
Luminance
0.0544
Every format
| HEX | #1528bf |
| RGB | rgb(21, 40, 191) |
| HSL | hsl(233, 80%, 42%) |
| CMYK | cmyk(89%, 79%, 0%, 25%) |
| LAB | lab(27.9 50.3 -78.3) |
| LCH | lch(27.9 93.0 302.7) |
| OKLCH | oklch(0.400 0.227 266.5) |
Copy-ready code
/* CSS */
color: #1528bf;
background-color: #1528bf;
/* Tailwind (arbitrary) */
class="text-[#1528bf] bg-[#1528bf]"
/* SCSS */
$brand: #1528bf;
/* SwiftUI */
Color(red: 0.082, green: 0.157, blue: 0.749)
/* Android */
Color.parseColor("#1528bf")Accessibility — WCAG contrast
Aa
#1528bf on white: 10.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1528bf on black: 2.09:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green15.7%
Blue74.9%
CMYK percentages
Cyan89.0%
Magenta79.1%
Yellow0.0%
Key (black)25.1%
Color previews
#1528bf text on a black background
contrast 2.09:1
Card sample
#1528bf text on a white background
contrast 10.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1528bf;
Background color
Panel with #1528bf background
background-color: #1528bf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1528bf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 40, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 40, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1528bf; background: linear-gradient(135deg, #1528bf, #7315BF);