#3f536f
a dark, soft blue · cool · closest name: darkslategray
RGB
63, 83, 111
HSL
215°, 28%, 34%
CMYK
43, 25, 0, 57
Luminance
0.0839
Every format
| HEX | #3f536f |
| RGB | rgb(63, 83, 111) |
| HSL | hsl(215, 28%, 34%) |
| CMYK | cmyk(43%, 25%, 0%, 57%) |
| LAB | lab(34.8 0.3 -18.5) |
| LCH | lch(34.8 18.5 271.0) |
| OKLCH | oklch(0.438 0.053 256.9) |
Copy-ready code
/* CSS */
color: #3f536f;
background-color: #3f536f;
/* Tailwind (arbitrary) */
class="text-[#3f536f] bg-[#3f536f]"
/* SCSS */
$brand: #3f536f;
/* SwiftUI */
Color(red: 0.247, green: 0.325, blue: 0.435)
/* Android */
Color.parseColor("#3f536f")Accessibility — WCAG contrast
Aa
#3f536f on white: 7.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f536f on black: 2.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green32.5%
Blue43.5%
CMYK percentages
Cyan43.2%
Magenta25.2%
Yellow0.0%
Key (black)56.5%
Color previews
#3f536f text on a black background
contrast 2.68:1
Card sample
#3f536f text on a white background
contrast 7.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f536f;
Background color
Panel with #3f536f background
background-color: #3f536f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f536f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 83, 111, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 83, 111, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f536f; background: linear-gradient(135deg, #3f536f, #4B3F6F);