#1b373c
a deep, soft cyan · cool · closest name: darkslategray
RGB
27, 55, 60
HSL
189°, 38%, 17%
CMYK
55, 8, 0, 77
Luminance
0.0329
Every format
| HEX | #1b373c |
| RGB | rgb(27, 55, 60) |
| HSL | hsl(189, 38%, 17%) |
| CMYK | cmyk(55%, 8%, 0%, 77%) |
| LAB | lab(21.2 -8.9 -6.4) |
| LCH | lch(21.2 11.0 215.6) |
| OKLCH | oklch(0.317 0.035 210.3) |
Copy-ready code
/* CSS */
color: #1b373c;
background-color: #1b373c;
/* Tailwind (arbitrary) */
class="text-[#1b373c] bg-[#1b373c]"
/* SCSS */
$brand: #1b373c;
/* SwiftUI */
Color(red: 0.106, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#1b373c")Accessibility — WCAG contrast
Aa
#1b373c on white: 12.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b373c on black: 1.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green21.6%
Blue23.5%
CMYK percentages
Cyan55.0%
Magenta8.3%
Yellow0.0%
Key (black)76.5%
Color previews
#1b373c text on a black background
contrast 1.66:1
Card sample
#1b373c text on a white background
contrast 12.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b373c;
Background color
Panel with #1b373c background
background-color: #1b373c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b373c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b373c; background: linear-gradient(135deg, #1b373c, #1B213C);