HSL(221, 54%, 15%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,54%,15%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 54%, 15%) | color: hsl(221, 54%, 15%) | |
| HEX | #121F3B | color: #121F3B | |
| RGB | rgb(18, 31, 59) | color: rgb(18, 31, 59) | |
| CMYK | cmyk(69%, 47%, 0%, 77%) | — | |
| HSV | hsv(221, 69%, 23%) | — | |
| HWB | hwb(221 7% 77%) | color: hwb(221 7% 77%) | |
| OKLCH | oklch(0.2441 0.0566 263.91) | color: oklch(0.2441 0.0566 263.91) | |
| Lab | lab(12.12 5.01 -19.79) | color: lab(12.12 5.01 -19.79) | |
| LCH | lch(12.12 20.41 284.21) | color: lch(12.12 20.41 284.21) |
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)
#181834 — rgb(24, 24, 52)
Deuteranopia (Green-blind)
#171633 — rgb(23, 22, 51)
Tritanopia (Blue-blind)
#132F2E — rgb(19, 47, 46)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 54%, 15%);
text
color: hsl(221, 54%, 15%);
border
border: 2px solid hsl(221, 54%, 15%);
gradient light
background: linear-gradient(to right, hsl(221, 54%, 35%), hsl(221, 54%, 15%));
gradient dark
background: linear-gradient(to right, hsl(221, 54%, 15%), hsl(221, 54%, 0%))
hex
background-color: #121F3B;
tailwind
bg-[hsl(221,54%,15%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 54%, 15%, 0.4);
css variable
--color-primary: hsl(221, 54%, 15%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 54%, 15%)?
HEX: #121F3B | RGB: rgb(18, 31, 59) | CMYK: 69%, 47%, 0%, 77% | HSV: 221°, 69%, 23%. Copy any format from the conversion table above.
What colors go well with #121F3B?
The complementary color is HSL(41, 54%, 15%). 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, 54%, 15%) in CSS?
As HSL: color: hsl(221, 54%, 15%); — As HEX: color: #121F3B; — As RGB: color: rgb(18, 31, 59); — Tailwind CSS: bg-[hsl(221,54%,15%)] — CSS variable: --color-primary: hsl(221, 54%, 15%);