HSL(231, 65%, 37%)
Blue — Blue color
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Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(231,65%,37%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(231, 65%, 37%) | color: hsl(231, 65%, 37%) | |
| HEX | #21339C | color: #21339C | |
| RGB | rgb(33, 51, 156) | color: rgb(33, 51, 156) | |
| CMYK | cmyk(79%, 67%, 0%, 39%) | — | |
| HSV | hsv(231, 79%, 61%) | — | |
| HWB | hwb(231 13% 39%) | color: hwb(231 13% 39%) | |
| OKLCH | oklch(0.3834 0.1704 268.79) | color: oklch(0.3834 0.1704 268.79) | |
| Lab | lab(26.99 32.07 -58.87) | color: lab(26.99 32.07 -58.87) | |
| LCH | lch(26.99 67.04 298.58) | color: lch(26.99 67.04 298.58) |
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)
#292983 — rgb(41, 41, 131)
Deuteranopia (Green-blind)
#28267D — rgb(40, 38, 125)
Tritanopia (Blue-blind)
#226F6A — rgb(34, 111, 106)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(231, 65%, 37%);
text
color: hsl(231, 65%, 37%);
border
border: 2px solid hsl(231, 65%, 37%);
gradient light
background: linear-gradient(to right, hsl(231, 65%, 57%), hsl(231, 65%, 37%));
gradient dark
background: linear-gradient(to right, hsl(231, 65%, 37%), hsl(231, 65%, 17%))
hex
background-color: #21339C;
tailwind
bg-[hsl(231,65%,37%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(231, 65%, 37%, 0.4);
css variable
--color-primary: hsl(231, 65%, 37%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(231, 65%, 37%)?
HEX: #21339C | RGB: rgb(33, 51, 156) | CMYK: 79%, 67%, 0%, 39% | HSV: 231°, 79%, 61%. Copy any format from the conversion table above.
What colors go well with #21339C?
The complementary color is HSL(51, 65%, 37%). 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, 65%, 37%) in CSS?
As HSL: color: hsl(231, 65%, 37%); — As HEX: color: #21339C; — As RGB: color: rgb(33, 51, 156); — Tailwind CSS: bg-[hsl(231,65%,37%)] — CSS variable: --color-primary: hsl(231, 65%, 37%);