#2155af
a dark, vivid blue · cool · closest name: royalblue
RGB
33, 85, 175
HSL
218°, 68%, 41%
CMYK
81, 51, 0, 31
Luminance
0.0992
Every format
| HEX | #2155af |
| RGB | rgb(33, 85, 175) |
| HSL | hsl(218, 68%, 41%) |
| CMYK | cmyk(81%, 51%, 0%, 31%) |
| LAB | lab(37.7 16.7 -52.9) |
| LCH | lch(37.7 55.4 287.5) |
| OKLCH | oklch(0.468 0.154 260.6) |
Copy-ready code
/* CSS */
color: #2155af;
background-color: #2155af;
/* Tailwind (arbitrary) */
class="text-[#2155af] bg-[#2155af]"
/* SCSS */
$brand: #2155af;
/* SwiftUI */
Color(red: 0.129, green: 0.333, blue: 0.686)
/* Android */
Color.parseColor("#2155af")Accessibility — WCAG contrast
Aa
#2155af on white: 7.04:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2155af on black: 2.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green33.3%
Blue68.6%
CMYK percentages
Cyan81.1%
Magenta51.4%
Yellow0.0%
Key (black)31.4%
Color previews
#2155af text on a black background
contrast 2.98:1
Card sample
#2155af text on a white background
contrast 7.04:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2155af;
Background color
Panel with #2155af background
background-color: #2155af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2155af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 85, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 85, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2155af; background: linear-gradient(135deg, #2155af, #4C21AF);