#2158df
a balanced, vivid blue · cool · closest name: royalblue
RGB
33, 88, 223
HSL
223°, 75%, 50%
CMYK
85, 61, 0, 13
Luminance
0.1263
Every format
| HEX | #2158df |
| RGB | rgb(33, 88, 223) |
| HSL | hsl(223, 75%, 50%) |
| CMYK | cmyk(85%, 61%, 0%, 13%) |
| LAB | lab(42.2 33.2 -73.3) |
| LCH | lch(42.2 80.5 294.4) |
| OKLCH | oklch(0.514 0.214 263.7) |
Copy-ready code
/* CSS */
color: #2158df;
background-color: #2158df;
/* Tailwind (arbitrary) */
class="text-[#2158df] bg-[#2158df]"
/* SCSS */
$brand: #2158df;
/* SwiftUI */
Color(red: 0.129, green: 0.345, blue: 0.875)
/* Android */
Color.parseColor("#2158df")Accessibility — WCAG contrast
Aa
#2158df on white: 5.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2158df on black: 3.53:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green34.5%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta60.5%
Yellow0.0%
Key (black)12.5%
Color previews
#2158df text on a black background
contrast 3.53:1
Card sample
#2158df text on a white background
contrast 5.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2158df;
Background color
Panel with #2158df background
background-color: #2158df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2158df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 88, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 88, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2158df; background: linear-gradient(135deg, #2158df, #6921DF);