HSL(231, 71%, 40%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(231,71%,40%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(231, 71%, 40%) | color: hsl(231, 71%, 40%) | |
| HEX | #1E33AE | color: #1E33AE | |
| RGB | rgb(30, 51, 174) | color: rgb(30, 51, 174) | |
| CMYK | cmyk(83%, 71%, 0%, 32%) | — | |
| HSV | hsv(231, 83%, 68%) | — | |
| HWB | hwb(231 12% 32%) | color: hwb(231 12% 32%) | |
| OKLCH | oklch(0.4004 0.1944 267.73) | color: oklch(0.4004 0.1944 267.73) | |
| Lab | lab(28.64 38.46 -67.04) | color: lab(28.64 38.46 -67.04) | |
| LCH | lch(28.64 77.29 299.84) | color: lch(28.64 77.29 299.84) |
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)
#272790 — rgb(39, 39, 144)
Deuteranopia (Green-blind)
#262489 — rgb(38, 36, 137)
Tritanopia (Blue-blind)
#1F7974 — rgb(31, 121, 116)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(231, 71%, 40%);
text
color: hsl(231, 71%, 40%);
border
border: 2px solid hsl(231, 71%, 40%);
gradient light
background: linear-gradient(to right, hsl(231, 71%, 60%), hsl(231, 71%, 40%));
gradient dark
background: linear-gradient(to right, hsl(231, 71%, 40%), hsl(231, 71%, 20%))
hex
background-color: #1E33AE;
tailwind
bg-[hsl(231,71%,40%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(231, 71%, 40%, 0.4);
css variable
--color-primary: hsl(231, 71%, 40%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(231, 71%, 40%)?
HEX: #1E33AE | RGB: rgb(30, 51, 174) | CMYK: 83%, 71%, 0%, 32% | HSV: 231°, 83%, 68%. Copy any format from the conversion table above.
What colors go well with #1E33AE?
The complementary color is HSL(51, 71%, 40%). 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, 71%, 40%) in CSS?
As HSL: color: hsl(231, 71%, 40%); — As HEX: color: #1E33AE; — As RGB: color: rgb(30, 51, 174); — Tailwind CSS: bg-[hsl(231,71%,40%)] — CSS variable: --color-primary: hsl(231, 71%, 40%);