HSL(221, 75%, 57%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,75%,57%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 75%, 57%) | color: hsl(221, 75%, 57%) | |
| HEX | #3F73E4 | color: #3F73E4 | |
| RGB | rgb(63, 115, 228) | color: rgb(63, 115, 228) | |
| CMYK | cmyk(72%, 50%, 0%, 11%) | — | |
| HSV | hsv(221, 72%, 89%) | — | |
| HWB | hwb(221 25% 11%) | color: hwb(221 25% 11%) | |
| OKLCH | oklch(0.5812 0.1808 263.29) | color: oklch(0.5812 0.1808 263.29) | |
| Lab | lab(50.59 20.8 -62.5) | color: lab(50.59 20.8 -62.5) | |
| LCH | lch(50.59 65.87 288.41) | color: lch(50.59 65.87 288.41) |
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: black
Color Blindness Simulation
Protanopia (Red-blind)
#5656C9 — rgb(86, 86, 201)
Deuteranopia (Green-blind)
#534FC2 — rgb(83, 79, 194)
Tritanopia (Blue-blind)
#42B3AE — rgb(66, 179, 174)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 75%, 57%);
text
color: hsl(221, 75%, 57%);
border
border: 2px solid hsl(221, 75%, 57%);
gradient light
background: linear-gradient(to right, hsl(221, 75%, 77%), hsl(221, 75%, 57%));
gradient dark
background: linear-gradient(to right, hsl(221, 75%, 57%), hsl(221, 75%, 37%))
hex
background-color: #3F73E4;
tailwind
bg-[hsl(221,75%,57%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 75%, 57%, 0.4);
css variable
--color-primary: hsl(221, 75%, 57%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 75%, 57%)?
HEX: #3F73E4 | RGB: rgb(63, 115, 228) | CMYK: 72%, 50%, 0%, 11% | HSV: 221°, 72%, 89%. Copy any format from the conversion table above.
What colors go well with #3F73E4?
The complementary color is HSL(41, 75%, 57%). 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, 75%, 57%) in CSS?
As HSL: color: hsl(221, 75%, 57%); — As HEX: color: #3F73E4; — As RGB: color: rgb(63, 115, 228); — Tailwind CSS: bg-[hsl(221,75%,57%)] — CSS variable: --color-primary: hsl(221, 75%, 57%);