HSL(221, 37%, 13%)

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(221,37%,13%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 37%, 13%) color: hsl(221, 37%, 13%)
HEX #151D2D color: #151D2D
RGB rgb(21, 29, 45) color: rgb(21, 29, 45)
CMYK cmyk(53%, 36%, 0%, 82%)
HSV hsv(220, 53%, 18%)
HWB hwb(220 8% 82%) color: hwb(220 8% 82%)
OKLCH oklch(0.2312 0.0334 263.6) color: oklch(0.2312 0.0334 263.6)
Lab lab(10.76 1.8 -11.86) color: lab(10.76 1.8 -11.86)
LCH lch(10.76 12 278.63) color: lch(10.76 12 278.63)

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 16.86:1
vs Black 1.25:1

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)

#181929 — rgb(24, 25, 41)

Deuteranopia (Green-blind)

#181728 — rgb(24, 23, 40)

Tritanopia (Blue-blind)

#152625 — rgb(21, 38, 37)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 37%, 13%);

text

color: hsl(221, 37%, 13%);

border

border: 2px solid hsl(221, 37%, 13%);

gradient light

background: linear-gradient(to right, hsl(221, 37%, 33%), hsl(221, 37%, 13%));

gradient dark

background: linear-gradient(to right, hsl(221, 37%, 13%), hsl(221, 37%, 0%))

hex

background-color: #151D2D;

tailwind

bg-[hsl(221,37%,13%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 37%, 13%, 0.4);

css variable

--color-primary: hsl(221, 37%, 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(221, 37%, 13%)?

HEX: #151D2D | RGB: rgb(21, 29, 45) | CMYK: 53%, 36%, 0%, 82% | HSV: 220°, 53%, 18%. Copy any format from the conversion table above.

What colors go well with #151D2D?

The complementary color is HSL(41, 37%, 13%). 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, 37%, 13%) in CSS?

As HSL: color: hsl(221, 37%, 13%); — As HEX: color: #151D2D; — As RGB: color: rgb(21, 29, 45); — Tailwind CSS: bg-[hsl(221,37%,13%)] — CSS variable: --color-primary: hsl(221, 37%, 13%);