HSL(231, 75%, 42%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(231,75%,42%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(231, 75%, 42%) | color: hsl(231, 75%, 42%) | |
| HEX | #1B33BB | color: #1B33BB | |
| RGB | rgb(27, 51, 187) | color: rgb(27, 51, 187) | |
| CMYK | cmyk(86%, 73%, 0%, 27%) | — | |
| HSV | hsv(231, 86%, 73%) | — | |
| HWB | hwb(231 10% 27%) | color: hwb(231 10% 27%) | |
| OKLCH | oklch(0.413 0.2112 266.92) | color: oklch(0.413 0.2112 266.92) | |
| Lab | lab(29.88 42.93 -72.73) | color: lab(29.88 42.93 -72.73) | |
| LCH | lch(29.88 84.45 300.55) | color: lch(29.88 84.45 300.55) |
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)
#25269A — rgb(37, 38, 154)
Deuteranopia (Green-blind)
#242292 — rgb(36, 34, 146)
Tritanopia (Blue-blind)
#1C807A — rgb(28, 128, 122)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(231, 75%, 42%);
text
color: hsl(231, 75%, 42%);
border
border: 2px solid hsl(231, 75%, 42%);
gradient light
background: linear-gradient(to right, hsl(231, 75%, 62%), hsl(231, 75%, 42%));
gradient dark
background: linear-gradient(to right, hsl(231, 75%, 42%), hsl(231, 75%, 22%))
hex
background-color: #1B33BB;
tailwind
bg-[hsl(231,75%,42%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(231, 75%, 42%, 0.4);
css variable
--color-primary: hsl(231, 75%, 42%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(231, 75%, 42%)?
HEX: #1B33BB | RGB: rgb(27, 51, 187) | CMYK: 86%, 73%, 0%, 27% | HSV: 231°, 86%, 73%. Copy any format from the conversion table above.
What colors go well with #1B33BB?
The complementary color is HSL(51, 75%, 42%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(231, 75%, 42%) in CSS?
As HSL: color: hsl(231, 75%, 42%); — As HEX: color: #1B33BB; — As RGB: color: rgb(27, 51, 187); — Tailwind CSS: bg-[hsl(231,75%,42%)] — CSS variable: --color-primary: hsl(231, 75%, 42%);