#003abc
a dark, electric blue · cool · closest name: slateblue
RGB
0, 58, 188
HSL
222°, 100%, 37%
CMYK
100, 69, 0, 26
Luminance
0.0666
Every format
| HEX | #003abc |
| RGB | rgb(0, 58, 188) |
| HSL | hsl(222, 100%, 37%) |
| CMYK | cmyk(100%, 69%, 0%, 26%) |
| LAB | lab(31.0 38.0 -71.5) |
| LCH | lch(31.0 80.9 298.0) |
| OKLCH | oklch(0.420 0.209 262.9) |
Copy-ready code
/* CSS */
color: #003abc;
background-color: #003abc;
/* Tailwind (arbitrary) */
class="text-[#003abc] bg-[#003abc]"
/* SCSS */
$brand: #003abc;
/* SwiftUI */
Color(red: 0.000, green: 0.227, blue: 0.737)
/* Android */
Color.parseColor("#003abc")Accessibility — WCAG contrast
Aa
#003abc on white: 9.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003abc on black: 2.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green22.7%
Blue73.7%
CMYK percentages
Cyan100.0%
Magenta69.1%
Yellow0.0%
Key (black)26.3%
Color previews
#003abc text on a black background
contrast 2.33:1
Card sample
#003abc text on a white background
contrast 9.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003abc;
Background color
Panel with #003abc background
background-color: #003abc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003abc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 58, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 58, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003abc; background: linear-gradient(135deg, #003abc, #4300BC);