#4298df
a balanced, vivid blue · cool · closest name: steelblue
RGB
66, 152, 223
HSL
207°, 71%, 57%
CMYK
70, 32, 0, 13
Luminance
0.2894
Every format
| HEX | #4298df |
| RGB | rgb(66, 152, 223) |
| HSL | hsl(207, 71%, 57%) |
| CMYK | cmyk(70%, 32%, 0%, 13%) |
| LAB | lab(60.7 -2.9 -43.5) |
| LCH | lch(60.7 43.6 266.2) |
| OKLCH | oklch(0.659 0.134 246.7) |
Copy-ready code
/* CSS */
color: #4298df;
background-color: #4298df;
/* Tailwind (arbitrary) */
class="text-[#4298df] bg-[#4298df]"
/* SCSS */
$brand: #4298df;
/* SwiftUI */
Color(red: 0.259, green: 0.596, blue: 0.875)
/* Android */
Color.parseColor("#4298df")Accessibility — WCAG contrast
Aa
#4298df on white: 3.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#4298df on black: 6.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green59.6%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta31.8%
Yellow0.0%
Key (black)12.5%
Color previews
#4298df text on a black background
contrast 6.79:1
Card sample
#4298df text on a white background
contrast 3.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4298df;
Background color
Panel with #4298df background
background-color: #4298df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4298df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 152, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 152, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4298df; background: linear-gradient(135deg, #4298df, #5542DF);