HSL(231, 75%, 49%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(231,75%,49%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(231, 75%, 49%) | color: hsl(231, 75%, 49%) | |
| HEX | #1F3BDB | color: #1F3BDB | |
| RGB | rgb(31, 59, 219) | color: rgb(31, 59, 219) | |
| CMYK | cmyk(86%, 73%, 0%, 14%) | — | |
| HSV | hsv(231, 86%, 86%) | — | |
| HWB | hwb(231 12% 14%) | color: hwb(231 12% 14%) | |
| OKLCH | oklch(0.4605 0.2405 266.68) | color: oklch(0.4605 0.2405 266.68) | |
| Lab | lab(35.07 49.55 -82.79) | color: lab(35.07 49.55 -82.79) | |
| LCH | lch(35.07 96.49 300.9) | color: lch(35.07 96.49 300.9) |
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)
#2B2BB4 — rgb(43, 43, 180)
Deuteranopia (Green-blind)
#2A27AB — rgb(42, 39, 171)
Tritanopia (Blue-blind)
#20968F — rgb(32, 150, 143)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(231, 75%, 49%);
text
color: hsl(231, 75%, 49%);
border
border: 2px solid hsl(231, 75%, 49%);
gradient light
background: linear-gradient(to right, hsl(231, 75%, 69%), hsl(231, 75%, 49%));
gradient dark
background: linear-gradient(to right, hsl(231, 75%, 49%), hsl(231, 75%, 29%))
hex
background-color: #1F3BDB;
tailwind
bg-[hsl(231,75%,49%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(231, 75%, 49%, 0.4);
css variable
--color-primary: hsl(231, 75%, 49%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(231, 75%, 49%)?
HEX: #1F3BDB | RGB: rgb(31, 59, 219) | CMYK: 86%, 73%, 0%, 14% | HSV: 231°, 86%, 86%. Copy any format from the conversion table above.
What colors go well with #1F3BDB?
The complementary color is HSL(51, 75%, 49%). 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%, 49%) in CSS?
As HSL: color: hsl(231, 75%, 49%); — As HEX: color: #1F3BDB; — As RGB: color: rgb(31, 59, 219); — Tailwind CSS: bg-[hsl(231,75%,49%)] — CSS variable: --color-primary: hsl(231, 75%, 49%);