HSL(231, 63%, 19%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(231,63%,19%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(231, 63%, 19%) | color: hsl(231, 63%, 19%) | |
| HEX | #121B4F | color: #121B4F | |
| RGB | rgb(18, 27, 79) | color: rgb(18, 27, 79) | |
| CMYK | cmyk(77%, 66%, 0%, 69%) | — | |
| HSV | hsv(231, 77%, 31%) | — | |
| HWB | hwb(231 7% 69%) | color: hwb(231 7% 69%) | |
| OKLCH | oklch(0.2518 0.0957 270.43) | color: oklch(0.2518 0.0957 270.43) | |
| Lab | lab(12.46 16.56 -33.18) | color: lab(12.46 16.56 -33.18) | |
| LCH | lch(12.46 37.08 296.52) | color: lch(12.46 37.08 296.52) |
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)
#161642 — rgb(22, 22, 66)
Deuteranopia (Green-blind)
#15153F — rgb(21, 21, 63)
Tritanopia (Blue-blind)
#123836 — rgb(18, 56, 54)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(231, 63%, 19%);
text
color: hsl(231, 63%, 19%);
border
border: 2px solid hsl(231, 63%, 19%);
gradient light
background: linear-gradient(to right, hsl(231, 63%, 39%), hsl(231, 63%, 19%));
gradient dark
background: linear-gradient(to right, hsl(231, 63%, 19%), hsl(231, 63%, 0%))
hex
background-color: #121B4F;
tailwind
bg-[hsl(231,63%,19%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(231, 63%, 19%, 0.4);
css variable
--color-primary: hsl(231, 63%, 19%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(231, 63%, 19%)?
HEX: #121B4F | RGB: rgb(18, 27, 79) | CMYK: 77%, 66%, 0%, 69% | HSV: 231°, 77%, 31%. Copy any format from the conversion table above.
What colors go well with #121B4F?
The complementary color is HSL(51, 63%, 19%). 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, 63%, 19%) in CSS?
As HSL: color: hsl(231, 63%, 19%); — As HEX: color: #121B4F; — As RGB: color: rgb(18, 27, 79); — Tailwind CSS: bg-[hsl(231,63%,19%)] — CSS variable: --color-primary: hsl(231, 63%, 19%);