#233f3b
a deep, soft cyan · cool · closest name: darkslategray
RGB
35, 63, 59
HSL
171°, 29%, 19%
CMYK
44, 0, 6, 75
Luminance
0.0423
Every format
| HEX | #233f3b |
| RGB | rgb(35, 63, 59) |
| HSL | hsl(171, 29%, 19%) |
| CMYK | cmyk(44%, 0%, 6%, 75%) |
| LAB | lab(24.4 -11.7 -0.9) |
| LCH | lch(24.4 11.8 184.3) |
| OKLCH | oklch(0.344 0.035 184.2) |
Copy-ready code
/* CSS */
color: #233f3b;
background-color: #233f3b;
/* Tailwind (arbitrary) */
class="text-[#233f3b] bg-[#233f3b]"
/* SCSS */
$brand: #233f3b;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.231)
/* Android */
Color.parseColor("#233f3b")Accessibility — WCAG contrast
Aa
#233f3b on white: 11.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233f3b on black: 1.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue23.1%
CMYK percentages
Cyan44.4%
Magenta0.0%
Yellow6.3%
Key (black)75.3%
Color previews
#233f3b text on a black background
contrast 1.85:1
Card sample
#233f3b text on a white background
contrast 11.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233f3b;
Background color
Panel with #233f3b background
background-color: #233f3b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233f3b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 59, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 59, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233f3b; background: linear-gradient(135deg, #233f3b, #23303F);