HSL(221, 56%, 4%)
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(221,56%,4%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 56%, 4%) | color: hsl(221, 56%, 4%) | |
| HEX | #040810 | color: #040810 | |
| RGB | rgb(4, 8, 16) | color: rgb(4, 8, 16) | |
| CMYK | cmyk(75%, 50%, 0%, 94%) | — | |
| HSV | hsv(220, 75%, 6%) | — | |
| HWB | hwb(220 2% 94%) | color: hwb(220 2% 94%) | |
| OKLCH | oklch(0.1334 0.0203 258.02) | color: oklch(0.1334 0.0203 258.02) | |
| Lab | lab(2.14 0.22 -3.8) | color: lab(2.14 0.22 -3.8) | |
| LCH | lch(2.14 3.81 273.31) | color: lch(2.14 3.81 273.31) |
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)
#06060E — rgb(6, 6, 14)
Deuteranopia (Green-blind)
#06050E — rgb(6, 5, 14)
Tritanopia (Blue-blind)
#040D0C — rgb(4, 13, 12)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 56%, 4%);
text
color: hsl(221, 56%, 4%);
border
border: 2px solid hsl(221, 56%, 4%);
gradient light
background: linear-gradient(to right, hsl(221, 56%, 24%), hsl(221, 56%, 4%));
gradient dark
background: linear-gradient(to right, hsl(221, 56%, 4%), hsl(221, 56%, 0%))
hex
background-color: #040810;
tailwind
bg-[hsl(221,56%,4%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 56%, 4%, 0.4);
css variable
--color-primary: hsl(221, 56%, 4%);
Related Colors
Use Cases for Very Dark Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 56%, 4%)?
HEX: #040810 | RGB: rgb(4, 8, 16) | CMYK: 75%, 50%, 0%, 94% | HSV: 220°, 75%, 6%. Copy any format from the conversion table above.
What colors go well with #040810?
The complementary color is HSL(41, 56%, 4%). 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, 56%, 4%) in CSS?
As HSL: color: hsl(221, 56%, 4%); — As HEX: color: #040810; — As RGB: color: rgb(4, 8, 16); — Tailwind CSS: bg-[hsl(221,56%,4%)] — CSS variable: --color-primary: hsl(221, 56%, 4%);