HSL(203, 18%, 9%)

Very Dark Blue — Blue color

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Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(203,18%,9%)]

Color Conversions

Format Value CSS Usage
HSL hsl(203, 18%, 9%) color: hsl(203, 18%, 9%)
HEX #13181B color: #13181B
RGB rgb(19, 24, 27) color: rgb(19, 24, 27)
CMYK cmyk(30%, 11%, 0%, 89%)
HSV hsv(203, 30%, 11%)
HWB hwb(203 8% 89%) color: hwb(203 8% 89%)
OKLCH oklch(0.2052 0.0097 234.29) color: oklch(0.2052 0.0097 234.29)
Lab lab(7.87 -1.42 -2.9) color: lab(7.87 -1.42 -2.9)
LCH lch(7.87 3.23 243.91) color: lch(7.87 3.23 243.91)

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 17.88:1
vs Black 1.17:1

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)

#15151A — rgb(21, 21, 26)

Deuteranopia (Green-blind)

#15151A — rgb(21, 21, 26)

Tritanopia (Blue-blind)

#131A1A — rgb(19, 26, 26)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(203, 18%, 9%);

text

color: hsl(203, 18%, 9%);

border

border: 2px solid hsl(203, 18%, 9%);

gradient light

background: linear-gradient(to right, hsl(203, 18%, 29%), hsl(203, 18%, 9%));

gradient dark

background: linear-gradient(to right, hsl(203, 18%, 9%), hsl(203, 18%, 0%))

hex

background-color: #13181B;

tailwind

bg-[hsl(203,18%,9%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(203, 18%, 9%, 0.4);

css variable

--color-primary: hsl(203, 18%, 9%);

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(203, 18%, 9%)?

HEX: #13181B | RGB: rgb(19, 24, 27) | CMYK: 30%, 11%, 0%, 89% | HSV: 203°, 30%, 11%. Copy any format from the conversion table above.

What colors go well with #13181B?

The complementary color is HSL(23, 18%, 9%). For a triadic harmony, use hues 203°, 323°, and 83°. For analogous combinations, try hues 173° and 233°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(203, 18%, 9%) in CSS?

As HSL: color: hsl(203, 18%, 9%); — As HEX: color: #13181B; — As RGB: color: rgb(19, 24, 27); — Tailwind CSS: bg-[hsl(203,18%,9%)] — CSS variable: --color-primary: hsl(203, 18%, 9%);