#33a3df
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 163, 223
HSL
201°, 73%, 54%
CMYK
77, 27, 0, 13
Luminance
0.3223
Every format
| HEX | #33a3df |
| RGB | rgb(51, 163, 223) |
| HSL | hsl(201, 73%, 54%) |
| CMYK | cmyk(77%, 27%, 0%, 13%) |
| LAB | lab(63.5 -11.0 -39.2) |
| LCH | lch(63.5 40.7 254.3) |
| OKLCH | oklch(0.680 0.132 237.3) |
Copy-ready code
/* CSS */
color: #33a3df;
background-color: #33a3df;
/* Tailwind (arbitrary) */
class="text-[#33a3df] bg-[#33a3df]"
/* SCSS */
$brand: #33a3df;
/* SwiftUI */
Color(red: 0.200, green: 0.639, blue: 0.875)
/* Android */
Color.parseColor("#33a3df")Accessibility — WCAG contrast
Aa
#33a3df on white: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#33a3df on black: 7.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green63.9%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta26.9%
Yellow0.0%
Key (black)12.5%
Color previews
#33a3df text on a black background
contrast 7.45:1
Card sample
#33a3df text on a white background
contrast 2.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #33a3df;
Background color
Panel with #33a3df background
background-color: #33a3df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #33a3df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 163, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 163, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #33a3df; background: linear-gradient(135deg, #33a3df, #3533DF);