HSL(221, 83%, 9%)
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(221,83%,9%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 83%, 9%) | color: hsl(221, 83%, 9%) | |
| HEX | #04102A | color: #04102A | |
| RGB | rgb(4, 16, 42) | color: rgb(4, 16, 42) | |
| CMYK | cmyk(90%, 62%, 0%, 84%) | — | |
| HSV | hsv(221, 90%, 16%) | — | |
| HWB | hwb(221 2% 84%) | color: hwb(221 2% 84%) | |
| OKLCH | oklch(0.18 0.0564 261.74) | color: oklch(0.18 0.0564 261.74) | |
| Lab | lab(5.09 4.82 -18.64) | color: lab(5.09 4.82 -18.64) | |
| LCH | lch(5.09 19.25 284.5) | color: lch(5.09 19.25 284.5) |
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)
#090924 — rgb(9, 9, 36)
Deuteranopia (Green-blind)
#090822 — rgb(9, 8, 34)
Tritanopia (Blue-blind)
#051F1E — rgb(5, 31, 30)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 83%, 9%);
text
color: hsl(221, 83%, 9%);
border
border: 2px solid hsl(221, 83%, 9%);
gradient light
background: linear-gradient(to right, hsl(221, 83%, 29%), hsl(221, 83%, 9%));
gradient dark
background: linear-gradient(to right, hsl(221, 83%, 9%), hsl(221, 83%, 0%))
hex
background-color: #04102A;
tailwind
bg-[hsl(221,83%,9%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 83%, 9%, 0.4);
css variable
--color-primary: hsl(221, 83%, 9%);
Related Colors
Use Cases for Very Dark Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 83%, 9%)?
HEX: #04102A | RGB: rgb(4, 16, 42) | CMYK: 90%, 62%, 0%, 84% | HSV: 221°, 90%, 16%. Copy any format from the conversion table above.
What colors go well with #04102A?
The complementary color is HSL(41, 83%, 9%). 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, 83%, 9%) in CSS?
As HSL: color: hsl(221, 83%, 9%); — As HEX: color: #04102A; — As RGB: color: rgb(4, 16, 42); — Tailwind CSS: bg-[hsl(221,83%,9%)] — CSS variable: --color-primary: hsl(221, 83%, 9%);