HSL(231, 44%, 13%)

Very Dark Blue — Blue color

Adjust Color

Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,44%,13%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 44%, 13%) color: hsl(231, 44%, 13%)
HEX #131730 color: #131730
RGB rgb(19, 23, 48) color: rgb(19, 23, 48)
CMYK cmyk(60%, 52%, 0%, 81%)
HSV hsv(232, 60%, 19%)
HWB hwb(232 8% 81%) color: hwb(232 8% 81%)
OKLCH oklch(0.2155 0.0493 274.66) color: oklch(0.2155 0.0493 274.66)
Lab lab(8.69 6.95 -17.31) color: lab(8.69 6.95 -17.31)
LCH lch(8.69 18.65 291.88) color: lch(8.69 18.65 291.88)

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 17.6:1
vs Black 1.19:1

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)

#15152A — rgb(21, 21, 42)

Deuteranopia (Green-blind)

#151429 — rgb(21, 20, 41)

Tritanopia (Blue-blind)

#132524 — rgb(19, 37, 36)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 44%, 13%);

text

color: hsl(231, 44%, 13%);

border

border: 2px solid hsl(231, 44%, 13%);

gradient light

background: linear-gradient(to right, hsl(231, 44%, 33%), hsl(231, 44%, 13%));

gradient dark

background: linear-gradient(to right, hsl(231, 44%, 13%), hsl(231, 44%, 0%))

hex

background-color: #131730;

tailwind

bg-[hsl(231,44%,13%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 44%, 13%, 0.4);

css variable

--color-primary: hsl(231, 44%, 13%);

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(231, 44%, 13%)?

HEX: #131730 | RGB: rgb(19, 23, 48) | CMYK: 60%, 52%, 0%, 81% | HSV: 232°, 60%, 19%. Copy any format from the conversion table above.

What colors go well with #131730?

The complementary color is HSL(51, 44%, 13%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 44%, 13%) in CSS?

As HSL: color: hsl(231, 44%, 13%); — As HEX: color: #131730; — As RGB: color: rgb(19, 23, 48); — Tailwind CSS: bg-[hsl(231,44%,13%)] — CSS variable: --color-primary: hsl(231, 44%, 13%);