HSL(221, 77%, 72%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,77%,72%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 77%, 72%) color: hsl(221, 77%, 72%)
HEX #81A3EF color: #81A3EF
RGB rgb(129, 163, 239) color: rgb(129, 163, 239)
CMYK cmyk(46%, 32%, 0%, 6%)
HSV hsv(221, 46%, 94%)
HWB hwb(221 51% 6%) color: hwb(221 51% 6%)
OKLCH oklch(0.7212 0.1176 265.2) color: oklch(0.7212 0.1176 265.2)
Lab lab(67.35 8.21 -41.76) color: lab(67.35 8.21 -41.76)
LCH lch(67.35 42.56 281.12) color: lch(67.35 42.56 281.12)

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 2.49:1
vs Black 8.42:1

AA Normal (4.5:1)

on White: FAIL ✗ on Black: PASS ✓

AA Large (3:1)

on White: FAIL ✗ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: black

Color Blindness Simulation

Protanopia (Red-blind)

#9090DD — rgb(144, 144, 221)

Deuteranopia (Green-blind)

#8E8BD8 — rgb(142, 139, 216)

Tritanopia (Blue-blind)

#83CECB — rgb(131, 206, 203)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 77%, 72%);

text

color: hsl(221, 77%, 72%);

border

border: 2px solid hsl(221, 77%, 72%);

gradient light

background: linear-gradient(to right, hsl(221, 77%, 92%), hsl(221, 77%, 72%));

gradient dark

background: linear-gradient(to right, hsl(221, 77%, 72%), hsl(221, 77%, 52%))

hex

background-color: #81A3EF;

tailwind

bg-[hsl(221,77%,72%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 77%, 72%, 0.4);

css variable

--color-primary: hsl(221, 77%, 72%);

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, 77%, 72%)?

HEX: #81A3EF | RGB: rgb(129, 163, 239) | CMYK: 46%, 32%, 0%, 6% | HSV: 221°, 46%, 94%. Copy any format from the conversion table above.

What colors go well with #81A3EF?

The complementary color is HSL(41, 77%, 72%). 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, 77%, 72%) in CSS?

As HSL: color: hsl(221, 77%, 72%); — As HEX: color: #81A3EF; — As RGB: color: rgb(129, 163, 239); — Tailwind CSS: bg-[hsl(221,77%,72%)] — CSS variable: --color-primary: hsl(221, 77%, 72%);