HSL(221, 66%, 3%)
Very Dark Blue — Blue color
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Color Information
Color Name
Very Dark Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,66%,3%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 66%, 3%) | color: hsl(221, 66%, 3%) | |
| HEX | #03060D | color: #03060D | |
| RGB | rgb(3, 6, 13) | color: rgb(3, 6, 13) | |
| CMYK | cmyk(77%, 54%, 0%, 95%) | — | |
| HSV | hsv(222, 77%, 5%) | — | |
| HWB | hwb(222 1% 95%) | color: hwb(222 1% 95%) | |
| OKLCH | oklch(0.1215 0.0193 259.05) | color: oklch(0.1215 0.0193 259.05) | |
| Lab | lab(1.61 0.23 -3.02) | color: lab(1.61 0.23 -3.02) | |
| LCH | lch(1.61 3.03 274.36) | color: lch(1.61 3.03 274.36) |
Color Theory
Accessibility (WCAG)
White text on color
Black text on color
Colored text
Contrast Ratios
AA Normal (4.5:1)
AA Large (3:1)
AAA Normal (7:1)
Best text on this color: white
Color Blindness Simulation
Protanopia (Red-blind)
#04040B — rgb(4, 4, 11)
Deuteranopia (Green-blind)
#04040B — rgb(4, 4, 11)
Tritanopia (Blue-blind)
#030A0A — rgb(3, 10, 10)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 66%, 3%);
text
color: hsl(221, 66%, 3%);
border
border: 2px solid hsl(221, 66%, 3%);
gradient light
background: linear-gradient(to right, hsl(221, 66%, 23%), hsl(221, 66%, 3%));
gradient dark
background: linear-gradient(to right, hsl(221, 66%, 3%), hsl(221, 66%, 0%))
hex
background-color: #03060D;
tailwind
bg-[hsl(221,66%,3%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 66%, 3%, 0.4);
css variable
--color-primary: hsl(221, 66%, 3%);
Related Colors
Use Cases for Very Dark Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 66%, 3%)?
HEX: #03060D | RGB: rgb(3, 6, 13) | CMYK: 77%, 54%, 0%, 95% | HSV: 222°, 77%, 5%. Copy any format from the conversion table above.
What colors go well with #03060D?
The complementary color is HSL(41, 66%, 3%). For a triadic harmony, use hues 221°, 341°, and 101°. For analogous combinations, try hues 191° and 251°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(221, 66%, 3%) in CSS?
As HSL: color: hsl(221, 66%, 3%); — As HEX: color: #03060D; — As RGB: color: rgb(3, 6, 13); — Tailwind CSS: bg-[hsl(221,66%,3%)] — CSS variable: --color-primary: hsl(221, 66%, 3%);