#153dbb
a dark, electric blue · warm · closest name: slateblue
RGB
21, 61, 187
HSL
226°, 80%, 41%
CMYK
89, 67, 0, 27
Luminance
0.0708
Every format
| HEX | #153dbb |
| RGB | rgb(21, 61, 187) |
| HSL | hsl(226, 80%, 41%) |
| CMYK | cmyk(89%, 67%, 0%, 27%) |
| LAB | lab(32.0 36.4 -69.3) |
| LCH | lch(32.0 78.2 297.7) |
| OKLCH | oklch(0.428 0.202 264.8) |
Copy-ready code
/* CSS */
color: #153dbb;
background-color: #153dbb;
/* Tailwind (arbitrary) */
class="text-[#153dbb] bg-[#153dbb]"
/* SCSS */
$brand: #153dbb;
/* SwiftUI */
Color(red: 0.082, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#153dbb")Accessibility — WCAG contrast
Aa
#153dbb on white: 8.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#153dbb on black: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green23.9%
Blue73.3%
CMYK percentages
Cyan88.8%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#153dbb text on a black background
contrast 2.42:1
Card sample
#153dbb text on a white background
contrast 8.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #153dbb;
Background color
Panel with #153dbb background
background-color: #153dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #153dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #153dbb; background: linear-gradient(135deg, #153dbb, #5C15BB);