HSL(243, 100%, 21%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(243,100%,21%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(243, 100%, 21%) | color: hsl(243, 100%, 21%) | |
| HEX | #05006B | color: #05006B | |
| RGB | rgb(5, 0, 107) | color: rgb(5, 0, 107) | |
| CMYK | cmyk(95%, 100%, 0%, 58%) | — | |
| HSV | hsv(243, 100%, 42%) | — | |
| HWB | hwb(243 0% 58%) | color: hwb(243 0% 58%) | |
| OKLCH | oklch(0.241 0.1635 266.24) | color: oklch(0.241 0.1635 266.24) | |
| Lab | lab(9.75 41.88 -56.49) | color: lab(9.75 41.88 -56.49) | |
| LCH | lch(9.75 70.32 306.55) | color: lch(9.75 70.32 306.55) |
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)
#030351 — rgb(3, 3, 81)
Deuteranopia (Green-blind)
#03044B — rgb(3, 4, 75)
Tritanopia (Blue-blind)
#053D38 — rgb(5, 61, 56)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(243, 100%, 21%);
text
color: hsl(243, 100%, 21%);
border
border: 2px solid hsl(243, 100%, 21%);
gradient light
background: linear-gradient(to right, hsl(243, 100%, 41%), hsl(243, 100%, 21%));
gradient dark
background: linear-gradient(to right, hsl(243, 100%, 21%), hsl(243, 100%, 1%))
hex
background-color: #05006B;
tailwind
bg-[hsl(243,100%,21%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(243, 100%, 21%, 0.4);
css variable
--color-primary: hsl(243, 100%, 21%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(243, 100%, 21%)?
HEX: #05006B | RGB: rgb(5, 0, 107) | CMYK: 95%, 100%, 0%, 58% | HSV: 243°, 100%, 42%. Copy any format from the conversion table above.
What colors go well with #05006B?
The complementary color is HSL(63, 100%, 21%). 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%, 21%) in CSS?
As HSL: color: hsl(243, 100%, 21%); — As HEX: color: #05006B; — As RGB: color: rgb(5, 0, 107); — Tailwind CSS: bg-[hsl(243,100%,21%)] — CSS variable: --color-primary: hsl(243, 100%, 21%);