#21b2fd
a balanced, electric blue · cool · closest name: steelblue
RGB
33, 178, 253
HSL
201°, 98%, 56%
CMYK
87, 30, 0, 1
Luminance
0.3926
Every format
| HEX | #21b2fd |
| RGB | rgb(33, 178, 253) |
| HSL | hsl(201, 98%, 56%) |
| CMYK | cmyk(87%, 30%, 0%, 1%) |
| LAB | lab(68.9 -10.2 -47.1) |
| LCH | lch(68.9 48.2 257.8) |
| OKLCH | oklch(0.727 0.156 238.9) |
Copy-ready code
/* CSS */
color: #21b2fd;
background-color: #21b2fd;
/* Tailwind (arbitrary) */
class="text-[#21b2fd] bg-[#21b2fd]"
/* SCSS */
$brand: #21b2fd;
/* SwiftUI */
Color(red: 0.129, green: 0.698, blue: 0.992)
/* Android */
Color.parseColor("#21b2fd")Accessibility — WCAG contrast
Aa
#21b2fd on white: 2.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21b2fd on black: 8.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green69.8%
Blue99.2%
CMYK percentages
Cyan87.0%
Magenta29.6%
Yellow0.0%
Key (black)0.8%
Color previews
#21b2fd text on a black background
contrast 8.85:1
Card sample
#21b2fd text on a white background
contrast 2.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21b2fd;
Background color
Panel with #21b2fd background
background-color: #21b2fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21b2fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 178, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 178, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21b2fd; background: linear-gradient(135deg, #21b2fd, #2321FD);