HSL(221, 21%, 9%)
Very Dark Blue — Blue color
Adjust Color
Color Information
Color Name
Very Dark Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,21%,9%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 21%, 9%) | color: hsl(221, 21%, 9%) | |
| HEX | #12151C | color: #12151C | |
| RGB | rgb(18, 21, 28) | color: rgb(18, 21, 28) | |
| CMYK | cmyk(36%, 25%, 0%, 89%) | — | |
| HSV | hsv(222, 36%, 11%) | — | |
| HWB | hwb(222 7% 89%) | color: hwb(222 7% 89%) | |
| OKLCH | oklch(0.1959 0.0149 266.81) | color: oklch(0.1959 0.0149 266.81) | |
| Lab | lab(6.76 0.63 -5.32) | color: lab(6.76 0.63 -5.32) | |
| LCH | lch(6.76 5.36 276.75) | color: lch(6.76 5.36 276.75) |
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)
#13131A — rgb(19, 19, 26)
Deuteranopia (Green-blind)
#13131A — rgb(19, 19, 26)
Tritanopia (Blue-blind)
#121919 — rgb(18, 25, 25)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 21%, 9%);
text
color: hsl(221, 21%, 9%);
border
border: 2px solid hsl(221, 21%, 9%);
gradient light
background: linear-gradient(to right, hsl(221, 21%, 29%), hsl(221, 21%, 9%));
gradient dark
background: linear-gradient(to right, hsl(221, 21%, 9%), hsl(221, 21%, 0%))
hex
background-color: #12151C;
tailwind
bg-[hsl(221,21%,9%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 21%, 9%, 0.4);
css variable
--color-primary: hsl(221, 21%, 9%);
Related Colors
Use Cases for Very Dark Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 21%, 9%)?
HEX: #12151C | RGB: rgb(18, 21, 28) | CMYK: 36%, 25%, 0%, 89% | HSV: 222°, 36%, 11%. Copy any format from the conversion table above.
What colors go well with #12151C?
The complementary color is HSL(41, 21%, 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, 21%, 9%) in CSS?
As HSL: color: hsl(221, 21%, 9%); — As HEX: color: #12151C; — As RGB: color: rgb(18, 21, 28); — Tailwind CSS: bg-[hsl(221,21%,9%)] — CSS variable: --color-primary: hsl(221, 21%, 9%);