HSL(221, 67%, 18%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,67%,18%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 67%, 18%) color: hsl(221, 67%, 18%)
HEX #0F234D color: #0F234D
RGB rgb(15, 35, 77) color: rgb(15, 35, 77)
CMYK cmyk(81%, 55%, 0%, 70%)
HSV hsv(221, 81%, 30%)
HWB hwb(221 6% 70%) color: hwb(221 6% 70%)
OKLCH oklch(0.2671 0.082 262.92) color: oklch(0.2671 0.082 262.92)
Lab lab(14.62 9.14 -28.32) color: lab(14.62 9.14 -28.32)
LCH lch(14.62 29.76 287.89) color: lch(14.62 29.76 287.89)

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 15.35:1
vs Black 1.37:1

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)

#181843 — rgb(24, 24, 67)

Deuteranopia (Green-blind)

#171540 — rgb(23, 21, 64)

Tritanopia (Blue-blind)

#103B39 — rgb(16, 59, 57)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 67%, 18%);

text

color: hsl(221, 67%, 18%);

border

border: 2px solid hsl(221, 67%, 18%);

gradient light

background: linear-gradient(to right, hsl(221, 67%, 38%), hsl(221, 67%, 18%));

gradient dark

background: linear-gradient(to right, hsl(221, 67%, 18%), hsl(221, 67%, 0%))

hex

background-color: #0F234D;

tailwind

bg-[hsl(221,67%,18%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 67%, 18%, 0.4);

css variable

--color-primary: hsl(221, 67%, 18%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(221, 67%, 18%)?

HEX: #0F234D | RGB: rgb(15, 35, 77) | CMYK: 81%, 55%, 0%, 70% | HSV: 221°, 81%, 30%. Copy any format from the conversion table above.

What colors go well with #0F234D?

The complementary color is HSL(41, 67%, 18%). 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, 67%, 18%) in CSS?

As HSL: color: hsl(221, 67%, 18%); — As HEX: color: #0F234D; — As RGB: color: rgb(15, 35, 77); — Tailwind CSS: bg-[hsl(221,67%,18%)] — CSS variable: --color-primary: hsl(221, 67%, 18%);