HSL(230, 37%, 18%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(230,37%,18%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(230, 37%, 18%) | color: hsl(230, 37%, 18%) | |
| HEX | #1D233F | color: #1D233F | |
| RGB | rgb(29, 35, 63) | color: rgb(29, 35, 63) | |
| CMYK | cmyk(54%, 44%, 0%, 75%) | — | |
| HSV | hsv(229, 54%, 25%) | — | |
| HWB | hwb(229 12% 75%) | color: hwb(229 12% 75%) | |
| OKLCH | oklch(0.2655 0.053 273.14) | color: oklch(0.2655 0.053 273.14) | |
| Lab | lab(14.52 6.58 -18.74) | color: lab(14.52 6.58 -18.74) | |
| LCH | lch(14.52 19.86 289.35) | color: lch(14.52 19.86 289.35) |
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)
#202038 — rgb(32, 32, 56)
Deuteranopia (Green-blind)
#1F1F37 — rgb(31, 31, 55)
Tritanopia (Blue-blind)
#1D3332 — rgb(29, 51, 50)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(230, 37%, 18%);
text
color: hsl(230, 37%, 18%);
border
border: 2px solid hsl(230, 37%, 18%);
gradient light
background: linear-gradient(to right, hsl(230, 37%, 38%), hsl(230, 37%, 18%));
gradient dark
background: linear-gradient(to right, hsl(230, 37%, 18%), hsl(230, 37%, 0%))
hex
background-color: #1D233F;
tailwind
bg-[hsl(230,37%,18%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(230, 37%, 18%, 0.4);
css variable
--color-primary: hsl(230, 37%, 18%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(230, 37%, 18%)?
HEX: #1D233F | RGB: rgb(29, 35, 63) | CMYK: 54%, 44%, 0%, 75% | HSV: 229°, 54%, 25%. Copy any format from the conversion table above.
What colors go well with #1D233F?
The complementary color is HSL(50, 37%, 18%). For a triadic harmony, use hues 230°, 350°, and 110°. For analogous combinations, try hues 200° and 260°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(230, 37%, 18%) in CSS?
As HSL: color: hsl(230, 37%, 18%); — As HEX: color: #1D233F; — As RGB: color: rgb(29, 35, 63); — Tailwind CSS: bg-[hsl(230,37%,18%)] — CSS variable: --color-primary: hsl(230, 37%, 18%);