HSL(221, 99%, 6%)

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(221,99%,6%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 99%, 6%) color: hsl(221, 99%, 6%)
HEX #000A1E color: #000A1E
RGB rgb(0, 10, 30) color: rgb(0, 10, 30)
CMYK cmyk(100%, 67%, 0%, 88%)
HSV hsv(220, 100%, 12%)
HWB hwb(220 0% 88%) color: hwb(220 0% 88%)
OKLCH oklch(0.147 0.0483 254.93) color: oklch(0.147 0.0483 254.93)
Lab lab(2.81 1.94 -12.93) color: lab(2.81 1.94 -12.93)
LCH lch(2.81 13.07 278.53) color: lch(2.81 13.07 278.53)

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 19.77:1
vs Black 1.06:1

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)

#040419 — rgb(4, 4, 25)

Deuteranopia (Green-blind)

#040318 — rgb(4, 3, 24)

Tritanopia (Blue-blind)

#011515 — rgb(1, 21, 21)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 99%, 6%);

text

color: hsl(221, 99%, 6%);

border

border: 2px solid hsl(221, 99%, 6%);

gradient light

background: linear-gradient(to right, hsl(221, 99%, 26%), hsl(221, 99%, 6%));

gradient dark

background: linear-gradient(to right, hsl(221, 99%, 6%), hsl(221, 99%, 0%))

hex

background-color: #000A1E;

tailwind

bg-[hsl(221,99%,6%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 99%, 6%, 0.4);

css variable

--color-primary: hsl(221, 99%, 6%);

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, 99%, 6%)?

HEX: #000A1E | RGB: rgb(0, 10, 30) | CMYK: 100%, 67%, 0%, 88% | HSV: 220°, 100%, 12%. Copy any format from the conversion table above.

What colors go well with #000A1E?

The complementary color is HSL(41, 99%, 6%). 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, 99%, 6%) in CSS?

As HSL: color: hsl(221, 99%, 6%); — As HEX: color: #000A1E; — As RGB: color: rgb(0, 10, 30); — Tailwind CSS: bg-[hsl(221,99%,6%)] — CSS variable: --color-primary: hsl(221, 99%, 6%);