#18538f
a dark, vivid blue · cool · closest name: steelblue
RGB
24, 83, 143
HSL
210°, 71%, 33%
CMYK
83, 42, 0, 44
Luminance
0.0836
Every format
| HEX | #18538f |
| RGB | rgb(24, 83, 143) |
| HSL | hsl(210, 71%, 33%) |
| CMYK | cmyk(83%, 42%, 0%, 44%) |
| LAB | lab(34.7 4.3 -38.4) |
| LCH | lch(34.7 38.7 276.4) |
| OKLCH | oklch(0.438 0.115 252.6) |
Copy-ready code
/* CSS */
color: #18538f;
background-color: #18538f;
/* Tailwind (arbitrary) */
class="text-[#18538f] bg-[#18538f]"
/* SCSS */
$brand: #18538f;
/* SwiftUI */
Color(red: 0.094, green: 0.325, blue: 0.561)
/* Android */
Color.parseColor("#18538f")Accessibility — WCAG contrast
Aa
#18538f on white: 7.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#18538f on black: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green32.5%
Blue56.1%
CMYK percentages
Cyan83.2%
Magenta42.0%
Yellow0.0%
Key (black)43.9%
Color previews
#18538f text on a black background
contrast 2.67:1
Card sample
#18538f text on a white background
contrast 7.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #18538f;
Background color
Panel with #18538f background
background-color: #18538f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #18538f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 83, 143, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 83, 143, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18538f; background: linear-gradient(135deg, #18538f, #2C188F);