HSL(240, 100%, 40%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(240,100%,40%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(240, 100%, 40%) | color: hsl(240, 100%, 40%) | |
| HEX | #0000CC | color: #0000CC | |
| RGB | rgb(0, 0, 204) | color: rgb(0, 0, 204) | |
| CMYK | cmyk(100%, 100%, 0%, 20%) | — | |
| HSV | hsv(240, 100%, 80%) | — | |
| HWB | hwb(240 0% 20%) | color: hwb(240 0% 20%) | |
| OKLCH | oklch(0.3821 0.2647 264.05) | color: oklch(0.3821 0.2647 264.05) | |
| Lab | lab(24.82 66.93 -91.17) | color: lab(24.82 66.93 -91.17) | |
| LCH | lch(24.82 113.1 306.28) | color: lch(24.82 113.1 306.28) |
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)
#00009B — rgb(0, 0, 155)
Deuteranopia (Green-blind)
#00008F — rgb(0, 0, 143)
Tritanopia (Blue-blind)
#00746B — rgb(0, 116, 107)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(240, 100%, 40%);
text
color: hsl(240, 100%, 40%);
border
border: 2px solid hsl(240, 100%, 40%);
gradient light
background: linear-gradient(to right, hsl(240, 100%, 60%), hsl(240, 100%, 40%));
gradient dark
background: linear-gradient(to right, hsl(240, 100%, 40%), hsl(240, 100%, 20%))
hex
background-color: #0000CC;
tailwind
bg-[hsl(240,100%,40%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(240, 100%, 40%, 0.4);
css variable
--color-primary: hsl(240, 100%, 40%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(240, 100%, 40%)?
HEX: #0000CC | RGB: rgb(0, 0, 204) | CMYK: 100%, 100%, 0%, 20% | HSV: 240°, 100%, 80%. Copy any format from the conversion table above.
What colors go well with #0000CC?
The complementary color is HSL(60, 100%, 40%). For a triadic harmony, use hues 240°, 0°, and 120°. For analogous combinations, try hues 210° and 270°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(240, 100%, 40%) in CSS?
As HSL: color: hsl(240, 100%, 40%); — As HEX: color: #0000CC; — As RGB: color: rgb(0, 0, 204); — Tailwind CSS: bg-[hsl(240,100%,40%)] — CSS variable: --color-primary: hsl(240, 100%, 40%);