HSL(221, 40%, 20%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,40%,20%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 40%, 20%) | color: hsl(221, 40%, 20%) | |
| HEX | #1F2C47 | color: #1F2C47 | |
| RGB | rgb(31, 44, 71) | color: rgb(31, 44, 71) | |
| CMYK | cmyk(56%, 38%, 0%, 72%) | — | |
| HSV | hsv(221, 56%, 28%) | — | |
| HWB | hwb(221 12% 72%) | color: hwb(221 12% 72%) | |
| OKLCH | oklch(0.2954 0.0526 263.9) | color: oklch(0.2954 0.0526 263.9) | |
| Lab | lab(18.13 3.59 -18.57) | color: lab(18.13 3.59 -18.57) | |
| LCH | lch(18.13 18.91 280.94) | color: lch(18.13 18.91 280.94) |
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)
#252540 — rgb(37, 37, 64)
Deuteranopia (Green-blind)
#24233F — rgb(36, 35, 63)
Tritanopia (Blue-blind)
#203B3A — rgb(32, 59, 58)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 40%, 20%);
text
color: hsl(221, 40%, 20%);
border
border: 2px solid hsl(221, 40%, 20%);
gradient light
background: linear-gradient(to right, hsl(221, 40%, 40%), hsl(221, 40%, 20%));
gradient dark
background: linear-gradient(to right, hsl(221, 40%, 20%), hsl(221, 40%, 0%))
hex
background-color: #1F2C47;
tailwind
bg-[hsl(221,40%,20%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 40%, 20%, 0.4);
css variable
--color-primary: hsl(221, 40%, 20%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 40%, 20%)?
HEX: #1F2C47 | RGB: rgb(31, 44, 71) | CMYK: 56%, 38%, 0%, 72% | HSV: 221°, 56%, 28%. Copy any format from the conversion table above.
What colors go well with #1F2C47?
The complementary color is HSL(41, 40%, 20%). 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, 40%, 20%) in CSS?
As HSL: color: hsl(221, 40%, 20%); — As HEX: color: #1F2C47; — As RGB: color: rgb(31, 44, 71); — Tailwind CSS: bg-[hsl(221,40%,20%)] — CSS variable: --color-primary: hsl(221, 40%, 20%);