HSL(243, 100%, 40%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(243,100%,40%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(243, 100%, 40%) | color: hsl(243, 100%, 40%) | |
| HEX | #0A00CC | color: #0A00CC | |
| RGB | rgb(10, 0, 204) | color: rgb(10, 0, 204) | |
| CMYK | cmyk(95%, 100%, 0%, 20%) | — | |
| HSV | hsv(243, 100%, 80%) | — | |
| HWB | hwb(243 0% 20%) | color: hwb(243 0% 20%) | |
| OKLCH | oklch(0.384 0.2633 265.13) | color: oklch(0.384 0.2633 265.13) | |
| Lab | lab(25.02 66.99 -90.83) | color: lab(25.02 66.99 -90.83) | |
| LCH | lch(25.02 112.86 306.41) | color: lch(25.02 112.86 306.41) |
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: white
Color Blindness Simulation
Protanopia (Red-blind)
#06069B — rgb(6, 6, 155)
Deuteranopia (Green-blind)
#06078F — rgb(6, 7, 143)
Tritanopia (Blue-blind)
#0A746B — rgb(10, 116, 107)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(243, 100%, 40%);
text
color: hsl(243, 100%, 40%);
border
border: 2px solid hsl(243, 100%, 40%);
gradient light
background: linear-gradient(to right, hsl(243, 100%, 60%), hsl(243, 100%, 40%));
gradient dark
background: linear-gradient(to right, hsl(243, 100%, 40%), hsl(243, 100%, 20%))
hex
background-color: #0A00CC;
tailwind
bg-[hsl(243,100%,40%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(243, 100%, 40%, 0.4);
css variable
--color-primary: hsl(243, 100%, 40%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(243, 100%, 40%)?
HEX: #0A00CC | RGB: rgb(10, 0, 204) | CMYK: 95%, 100%, 0%, 20% | HSV: 243°, 100%, 80%. Copy any format from the conversion table above.
What colors go well with #0A00CC?
The complementary color is HSL(63, 100%, 40%). For a triadic harmony, use hues 243°, 3°, and 123°. For analogous combinations, try hues 213° and 273°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(243, 100%, 40%) in CSS?
As HSL: color: hsl(243, 100%, 40%); — As HEX: color: #0A00CC; — As RGB: color: rgb(10, 0, 204); — Tailwind CSS: bg-[hsl(243,100%,40%)] — CSS variable: --color-primary: hsl(243, 100%, 40%);