HSL(221, 37%, 40%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(221,37%,40%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(221, 37%, 40%) | color: hsl(221, 37%, 40%) | |
| HEX | #40588C | color: #40588C | |
| RGB | rgb(64, 88, 140) | color: rgb(64, 88, 140) | |
| CMYK | cmyk(54%, 37%, 0%, 45%) | — | |
| HSV | hsv(221, 54%, 55%) | — | |
| HWB | hwb(221 25% 45%) | color: hwb(221 25% 45%) | |
| OKLCH | oklch(0.4658 0.0899 264.4) | color: oklch(0.4658 0.0899 264.4) | |
| Lab | lab(37.77 6.87 -31.66) | color: lab(37.77 6.87 -31.66) | |
| LCH | lch(37.77 32.4 282.24) | color: lch(37.77 32.4 282.24) |
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)
#4A4B7F — rgb(74, 75, 127)
Deuteranopia (Green-blind)
#49477C — rgb(73, 71, 124)
Tritanopia (Blue-blind)
#417573 — rgb(65, 117, 115)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(221, 37%, 40%);
text
color: hsl(221, 37%, 40%);
border
border: 2px solid hsl(221, 37%, 40%);
gradient light
background: linear-gradient(to right, hsl(221, 37%, 60%), hsl(221, 37%, 40%));
gradient dark
background: linear-gradient(to right, hsl(221, 37%, 40%), hsl(221, 37%, 20%))
hex
background-color: #40588C;
tailwind
bg-[hsl(221,37%,40%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(221, 37%, 40%, 0.4);
css variable
--color-primary: hsl(221, 37%, 40%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(221, 37%, 40%)?
HEX: #40588C | RGB: rgb(64, 88, 140) | CMYK: 54%, 37%, 0%, 45% | HSV: 221°, 54%, 55%. Copy any format from the conversion table above.
What colors go well with #40588C?
The complementary color is HSL(41, 37%, 40%). 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, 37%, 40%) in CSS?
As HSL: color: hsl(221, 37%, 40%); — As HEX: color: #40588C; — As RGB: color: rgb(64, 88, 140); — Tailwind CSS: bg-[hsl(221,37%,40%)] — CSS variable: --color-primary: hsl(221, 37%, 40%);