HSL(233, 28%, 18%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(233,28%,18%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(233, 28%, 18%) | color: hsl(233, 28%, 18%) | |
| HEX | #21243B | color: #21243B | |
| RGB | rgb(33, 36, 59) | color: rgb(33, 36, 59) | |
| CMYK | cmyk(44%, 39%, 0%, 77%) | — | |
| HSV | hsv(233, 44%, 23%) | — | |
| HWB | hwb(233 13% 77%) | color: hwb(233 13% 77%) | |
| OKLCH | oklch(0.269 0.043 277.42) | color: oklch(0.269 0.043 277.42) | |
| Lab | lab(14.96 5.68 -15.24) | color: lab(14.96 5.68 -15.24) | |
| LCH | lch(14.96 16.26 290.44) | color: lch(14.96 16.26 290.44) |
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)
#222235 — rgb(34, 34, 53)
Deuteranopia (Green-blind)
#222234 — rgb(34, 34, 52)
Tritanopia (Blue-blind)
#213130 — rgb(33, 49, 48)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(233, 28%, 18%);
text
color: hsl(233, 28%, 18%);
border
border: 2px solid hsl(233, 28%, 18%);
gradient light
background: linear-gradient(to right, hsl(233, 28%, 38%), hsl(233, 28%, 18%));
gradient dark
background: linear-gradient(to right, hsl(233, 28%, 18%), hsl(233, 28%, 0%))
hex
background-color: #21243B;
tailwind
bg-[hsl(233,28%,18%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(233, 28%, 18%, 0.4);
css variable
--color-primary: hsl(233, 28%, 18%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(233, 28%, 18%)?
HEX: #21243B | RGB: rgb(33, 36, 59) | CMYK: 44%, 39%, 0%, 77% | HSV: 233°, 44%, 23%. Copy any format from the conversion table above.
What colors go well with #21243B?
The complementary color is HSL(53, 28%, 18%). For a triadic harmony, use hues 233°, 353°, and 113°. For analogous combinations, try hues 203° and 263°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(233, 28%, 18%) in CSS?
As HSL: color: hsl(233, 28%, 18%); — As HEX: color: #21243B; — As RGB: color: rgb(33, 36, 59); — Tailwind CSS: bg-[hsl(233,28%,18%)] — CSS variable: --color-primary: hsl(233, 28%, 18%);