HSL(221, 21%, 20%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,21%,20%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 21%, 20%) | color: hsl(221, 21%, 20%) | |
| HEX | #282F3E | color: #282F3E | |
| RGB | rgb(40, 47, 62) | color: rgb(40, 47, 62) | |
| CMYK | cmyk(35%, 24%, 0%, 76%) | — | |
| HSV | hsv(221, 35%, 24%) | — | |
| HWB | hwb(221 16% 76%) | color: hwb(221 16% 76%) | |
| OKLCH | oklch(0.3052 0.0289 265.21) | color: oklch(0.3052 0.0289 265.21) | |
| Lab | lab(19.36 1.3 -10.46) | color: lab(19.36 1.3 -10.46) | |
| LCH | lch(19.36 10.54 277.08) | color: lch(19.36 10.54 277.08) |
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)
#2B2B3A — rgb(43, 43, 58)
Deuteranopia (Green-blind)
#2B2A3A — rgb(43, 42, 58)
Tritanopia (Blue-blind)
#283837 — rgb(40, 56, 55)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 21%, 20%);
text
color: hsl(221, 21%, 20%);
border
border: 2px solid hsl(221, 21%, 20%);
gradient light
background: linear-gradient(to right, hsl(221, 21%, 40%), hsl(221, 21%, 20%));
gradient dark
background: linear-gradient(to right, hsl(221, 21%, 20%), hsl(221, 21%, 0%))
hex
background-color: #282F3E;
tailwind
bg-[hsl(221,21%,20%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 21%, 20%, 0.4);
css variable
--color-primary: hsl(221, 21%, 20%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 21%, 20%)?
HEX: #282F3E | RGB: rgb(40, 47, 62) | CMYK: 35%, 24%, 0%, 76% | HSV: 221°, 35%, 24%. Copy any format from the conversion table above.
What colors go well with #282F3E?
The complementary color is HSL(41, 21%, 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, 21%, 20%) in CSS?
As HSL: color: hsl(221, 21%, 20%); — As HEX: color: #282F3E; — As RGB: color: rgb(40, 47, 62); — Tailwind CSS: bg-[hsl(221,21%,20%)] — CSS variable: --color-primary: hsl(221, 21%, 20%);