HSL(237, 20%, 21%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(237,20%,21%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(237, 20%, 21%) | color: hsl(237, 20%, 21%) | |
| HEX | #2B2C40 | color: #2B2C40 | |
| RGB | rgb(43, 44, 64) | color: rgb(43, 44, 64) | |
| CMYK | cmyk(33%, 31%, 0%, 75%) | — | |
| HSV | hsv(237, 33%, 25%) | — | |
| HWB | hwb(237 17% 75%) | color: hwb(237 17% 75%) | |
| OKLCH | oklch(0.3013 0.0361 281.78) | color: oklch(0.3013 0.0361 281.78) | |
| Lab | lab(18.74 5.11 -12.76) | color: lab(18.74 5.11 -12.76) | |
| LCH | lch(18.74 13.75 291.82) | color: lch(18.74 13.75 291.82) |
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)
#2B2B3B — rgb(43, 43, 59)
Deuteranopia (Green-blind)
#2B2B3A — rgb(43, 43, 58)
Tritanopia (Blue-blind)
#2B3737 — rgb(43, 55, 55)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(237, 20%, 21%);
text
color: hsl(237, 20%, 21%);
border
border: 2px solid hsl(237, 20%, 21%);
gradient light
background: linear-gradient(to right, hsl(237, 20%, 41%), hsl(237, 20%, 21%));
gradient dark
background: linear-gradient(to right, hsl(237, 20%, 21%), hsl(237, 20%, 1%))
hex
background-color: #2B2C40;
tailwind
bg-[hsl(237,20%,21%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(237, 20%, 21%, 0.4);
css variable
--color-primary: hsl(237, 20%, 21%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(237, 20%, 21%)?
HEX: #2B2C40 | RGB: rgb(43, 44, 64) | CMYK: 33%, 31%, 0%, 75% | HSV: 237°, 33%, 25%. Copy any format from the conversion table above.
What colors go well with #2B2C40?
The complementary color is HSL(57, 20%, 21%). For a triadic harmony, use hues 237°, 357°, and 117°. For analogous combinations, try hues 207° and 267°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(237, 20%, 21%) in CSS?
As HSL: color: hsl(237, 20%, 21%); — As HEX: color: #2B2C40; — As RGB: color: rgb(43, 44, 64); — Tailwind CSS: bg-[hsl(237,20%,21%)] — CSS variable: --color-primary: hsl(237, 20%, 21%);