HSL(221, 20%, 12%)

Very Dark Blue — Blue color

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Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,20%,12%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 20%, 12%) color: hsl(221, 20%, 12%)
HEX #181C25 color: #181C25
RGB rgb(24, 28, 37) color: rgb(24, 28, 37)
CMYK cmyk(35%, 24%, 0%, 85%)
HSV hsv(222, 35%, 15%)
HWB hwb(222 10% 85%) color: hwb(222 10% 85%)
OKLCH oklch(0.2265 0.0186 266.15) color: oklch(0.2265 0.0186 266.15)
Lab lab(10.25 0.85 -6.75) color: lab(10.25 0.85 -6.75)
LCH lch(10.25 6.8 277.18) color: lch(10.25 6.8 277.18)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 17.05:1
vs Black 1.23:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#1A1A23 — rgb(26, 26, 35)

Deuteranopia (Green-blind)

#1A1922 — rgb(26, 25, 34)

Tritanopia (Blue-blind)

#182121 — rgb(24, 33, 33)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 20%, 12%);

text

color: hsl(221, 20%, 12%);

border

border: 2px solid hsl(221, 20%, 12%);

gradient light

background: linear-gradient(to right, hsl(221, 20%, 32%), hsl(221, 20%, 12%));

gradient dark

background: linear-gradient(to right, hsl(221, 20%, 12%), hsl(221, 20%, 0%))

hex

background-color: #181C25;

tailwind

bg-[hsl(221,20%,12%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 20%, 12%, 0.4);

css variable

--color-primary: hsl(221, 20%, 12%);

Related Colors

Use Cases for Very Dark Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(221, 20%, 12%)?

HEX: #181C25 | RGB: rgb(24, 28, 37) | CMYK: 35%, 24%, 0%, 85% | HSV: 222°, 35%, 15%. Copy any format from the conversion table above.

What colors go well with #181C25?

The complementary color is HSL(41, 20%, 12%). For a triadic harmony, use hues 221°, 341°, and 101°. For analogous combinations, try hues 191° and 251°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(221, 20%, 12%) in CSS?

As HSL: color: hsl(221, 20%, 12%); — As HEX: color: #181C25; — As RGB: color: rgb(24, 28, 37); — Tailwind CSS: bg-[hsl(221,20%,12%)] — CSS variable: --color-primary: hsl(221, 20%, 12%);