#42aefd
a balanced, electric blue · cool · closest name: steelblue
RGB
66, 174, 253
HSL
205°, 98%, 63%
CMYK
74, 31, 0, 1
Luminance
0.3852
Every format
| HEX | #42aefd |
| RGB | rgb(66, 174, 253) |
| HSL | hsl(205, 98%, 63%) |
| CMYK | cmyk(74%, 31%, 0%, 1%) |
| LAB | lab(68.4 -5.0 -47.9) |
| LCH | lch(68.4 48.2 264.0) |
| OKLCH | oklch(0.724 0.150 244.5) |
Copy-ready code
/* CSS */
color: #42aefd;
background-color: #42aefd;
/* Tailwind (arbitrary) */
class="text-[#42aefd] bg-[#42aefd]"
/* SCSS */
$brand: #42aefd;
/* SwiftUI */
Color(red: 0.259, green: 0.682, blue: 0.992)
/* Android */
Color.parseColor("#42aefd")Accessibility — WCAG contrast
Aa
#42aefd on white: 2.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42aefd on black: 8.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green68.2%
Blue99.2%
CMYK percentages
Cyan73.9%
Magenta31.2%
Yellow0.0%
Key (black)0.8%
Color previews
#42aefd text on a black background
contrast 8.70:1
Card sample
#42aefd text on a white background
contrast 2.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42aefd;
Background color
Panel with #42aefd background
background-color: #42aefd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42aefd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 174, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 174, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42aefd; background: linear-gradient(135deg, #42aefd, #5242FD);