HSL(237, 45%, 21%)
Blue — Blue color
Adjust Color
Color Information
Color Name
Blue
Color Family
Blue
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(237,45%,21%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(237, 45%, 21%) | color: hsl(237, 45%, 21%) | |
| HEX | #1D204E | color: #1D204E | |
| RGB | rgb(29, 32, 78) | color: rgb(29, 32, 78) | |
| CMYK | cmyk(63%, 59%, 0%, 69%) | — | |
| HSV | hsv(236, 63%, 31%) | — | |
| HWB | hwb(236 11% 69%) | color: hwb(236 11% 69%) | |
| OKLCH | oklch(0.2699 0.0833 276.46) | color: oklch(0.2699 0.0833 276.46) | |
| Lab | lab(14.65 14.55 -28.91) | color: lab(14.65 14.55 -28.91) | |
| LCH | lch(14.65 32.36 296.72) | color: lch(14.65 32.36 296.72) |
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)
#1E1E43 — rgb(30, 30, 67)
Deuteranopia (Green-blind)
#1E1E40 — rgb(30, 30, 64)
Tritanopia (Blue-blind)
#1D3A38 — rgb(29, 58, 56)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(237, 45%, 21%);
text
color: hsl(237, 45%, 21%);
border
border: 2px solid hsl(237, 45%, 21%);
gradient light
background: linear-gradient(to right, hsl(237, 45%, 41%), hsl(237, 45%, 21%));
gradient dark
background: linear-gradient(to right, hsl(237, 45%, 21%), hsl(237, 45%, 1%))
hex
background-color: #1D204E;
tailwind
bg-[hsl(237,45%,21%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(237, 45%, 21%, 0.4);
css variable
--color-primary: hsl(237, 45%, 21%);
Related Colors
Use Cases for Blue
Frequently Asked Questions
What are all the color codes for HSL(237, 45%, 21%)?
HEX: #1D204E | RGB: rgb(29, 32, 78) | CMYK: 63%, 59%, 0%, 69% | HSV: 236°, 63%, 31%. Copy any format from the conversion table above.
What colors go well with #1D204E?
The complementary color is HSL(57, 45%, 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, 45%, 21%) in CSS?
As HSL: color: hsl(237, 45%, 21%); — As HEX: color: #1D204E; — As RGB: color: rgb(29, 32, 78); — Tailwind CSS: bg-[hsl(237,45%,21%)] — CSS variable: --color-primary: hsl(237, 45%, 21%);