HSL(0, 100%, 40%)
Red — Red color
Adjust Color
Color Information
Color Name
Red
Color Family
Red
Warm / Cool
🔴 Warm
Temperature
2000K
CSS Class
bg-[hsl(0,100%,40%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(0, 100%, 40%) | color: hsl(0, 100%, 40%) | |
| HEX | #CC0000 | color: #CC0000 | |
| RGB | rgb(204, 0, 0) | color: rgb(204, 0, 0) | |
| CMYK | cmyk(0%, 100%, 100%, 20%) | — | |
| HSV | hsv(0, 100%, 80%) | — | |
| HWB | hwb(0 0% 20%) | color: hwb(0 0% 20%) | |
| OKLCH | oklch(0.5308 0.2178 29.23) | color: oklch(0.5308 0.2178 29.23) | |
| Lab | lab(42.52 67.7 56.8) | color: lab(42.52 67.7 56.8) | |
| LCH | lch(42.52 88.37 40) | color: lch(42.52 88.37 40) |
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)
#747200 — rgb(116, 114, 0)
Deuteranopia (Green-blind)
#808F00 — rgb(128, 143, 0)
Tritanopia (Blue-blind)
#C20000 — rgb(194, 0, 0)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(0, 100%, 40%);
text
color: hsl(0, 100%, 40%);
border
border: 2px solid hsl(0, 100%, 40%);
gradient light
background: linear-gradient(to right, hsl(0, 100%, 60%), hsl(0, 100%, 40%));
gradient dark
background: linear-gradient(to right, hsl(0, 100%, 40%), hsl(0, 100%, 20%))
hex
background-color: #CC0000;
tailwind
bg-[hsl(0,100%,40%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(0, 100%, 40%, 0.4);
css variable
--color-primary: hsl(0, 100%, 40%);
Related Colors
Use Cases for Red
Frequently Asked Questions
What are all the color codes for HSL(0, 100%, 40%)?
HEX: #CC0000 | RGB: rgb(204, 0, 0) | CMYK: 0%, 100%, 100%, 20% | HSV: 0°, 100%, 80%. Copy any format from the conversion table above.
What colors go well with #CC0000?
The complementary color is HSL(180, 100%, 40%). For a triadic harmony, use hues 0°, 120°, and 240°. For analogous combinations, try hues 330° and 30°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(0, 100%, 40%) in CSS?
As HSL: color: hsl(0, 100%, 40%); — As HEX: color: #CC0000; — As RGB: color: rgb(204, 0, 0); — Tailwind CSS: bg-[hsl(0,100%,40%)] — CSS variable: --color-primary: hsl(0, 100%, 40%);