#2d57ab
a dark, vivid blue · cool · closest name: royalblue
RGB
45, 87, 171
HSL
220°, 58%, 42%
CMYK
74, 49, 0, 33
Luminance
0.1031
Every format
| HEX | #2d57ab |
| RGB | rgb(45, 87, 171) |
| HSL | hsl(220, 58%, 42%) |
| CMYK | cmyk(74%, 49%, 0%, 33%) |
| LAB | lab(38.4 15.2 -49.3) |
| LCH | lch(38.4 51.6 287.2) |
| OKLCH | oklch(0.474 0.143 262.4) |
Copy-ready code
/* CSS */
color: #2d57ab;
background-color: #2d57ab;
/* Tailwind (arbitrary) */
class="text-[#2d57ab] bg-[#2d57ab]"
/* SCSS */
$brand: #2d57ab;
/* SwiftUI */
Color(red: 0.176, green: 0.341, blue: 0.671)
/* Android */
Color.parseColor("#2d57ab")Accessibility — WCAG contrast
Aa
#2d57ab on white: 6.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2d57ab on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red17.6%
Green34.1%
Blue67.1%
CMYK percentages
Cyan73.7%
Magenta49.1%
Yellow0.0%
Key (black)32.9%
Color previews
#2d57ab text on a black background
contrast 3.06:1
Card sample
#2d57ab text on a white background
contrast 6.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2d57ab;
Background color
Panel with #2d57ab background
background-color: #2d57ab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2d57ab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(45, 87, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(45, 87, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2d57ab; background: linear-gradient(135deg, #2d57ab, #572DAB);