HSL(247, 72%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(247,72%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(247, 72%, 21%) color: hsl(247, 72%, 21%)
HEX #180F5C color: #180F5C
RGB rgb(24, 15, 92) color: rgb(24, 15, 92)
CMYK cmyk(74%, 84%, 0%, 64%)
HSV hsv(247, 84%, 36%)
HWB hwb(247 6% 64%) color: hwb(247 6% 64%)
OKLCH oklch(0.2491 0.1276 276.99) color: oklch(0.2491 0.1276 276.99)
Lab lab(11.33 30.46 -43.84) color: lab(11.33 30.46 -43.84)
LCH lch(11.33 53.38 304.79) color: lch(11.33 53.38 304.79)

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 16.64:1
vs Black 1.26:1

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)

#141449 — rgb(20, 20, 73)

Deuteranopia (Green-blind)

#151545 — rgb(21, 21, 69)

Tritanopia (Blue-blind)

#183B37 — rgb(24, 59, 55)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(247, 72%, 21%);

text

color: hsl(247, 72%, 21%);

border

border: 2px solid hsl(247, 72%, 21%);

gradient light

background: linear-gradient(to right, hsl(247, 72%, 41%), hsl(247, 72%, 21%));

gradient dark

background: linear-gradient(to right, hsl(247, 72%, 21%), hsl(247, 72%, 1%))

hex

background-color: #180F5C;

tailwind

bg-[hsl(247,72%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(247, 72%, 21%, 0.4);

css variable

--color-primary: hsl(247, 72%, 21%);

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(247, 72%, 21%)?

HEX: #180F5C | RGB: rgb(24, 15, 92) | CMYK: 74%, 84%, 0%, 64% | HSV: 247°, 84%, 36%. Copy any format from the conversion table above.

What colors go well with #180F5C?

The complementary color is HSL(67, 72%, 21%). For a triadic harmony, use hues 247°, 7°, and 127°. For analogous combinations, try hues 217° and 277°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(247, 72%, 21%) in CSS?

As HSL: color: hsl(247, 72%, 21%); — As HEX: color: #180F5C; — As RGB: color: rgb(24, 15, 92); — Tailwind CSS: bg-[hsl(247,72%,21%)] — CSS variable: --color-primary: hsl(247, 72%, 21%);