HSL(221, 30%, 53%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,30%,53%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 30%, 53%) color: hsl(221, 30%, 53%)
HEX #637AAB color: #637AAB
RGB rgb(99, 122, 171) color: rgb(99, 122, 171)
CMYK cmyk(42%, 29%, 0%, 33%)
HSV hsv(221, 42%, 67%)
HWB hwb(221 39% 33%) color: hwb(221 39% 33%)
OKLCH oklch(0.5815 0.0805 264.7) color: oklch(0.5815 0.0805 264.7)
Lab lab(51.28 4.66 -28.73) color: lab(51.28 4.66 -28.73)
LCH lch(51.28 29.11 279.21) color: lch(51.28 29.11 279.21)

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 4.28:1
vs Black 4.9:1

AA Normal (4.5:1)

on White: FAIL ✗ on Black: PASS ✓

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: black

Color Blindness Simulation

Protanopia (Red-blind)

#6D6D9F — rgb(109, 109, 159)

Deuteranopia (Green-blind)

#6C6A9C — rgb(108, 106, 156)

Tritanopia (Blue-blind)

#649694 — rgb(100, 150, 148)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 30%, 53%);

text

color: hsl(221, 30%, 53%);

border

border: 2px solid hsl(221, 30%, 53%);

gradient light

background: linear-gradient(to right, hsl(221, 30%, 73%), hsl(221, 30%, 53%));

gradient dark

background: linear-gradient(to right, hsl(221, 30%, 53%), hsl(221, 30%, 33%))

hex

background-color: #637AAB;

tailwind

bg-[hsl(221,30%,53%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 30%, 53%, 0.4);

css variable

--color-primary: hsl(221, 30%, 53%);

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, 30%, 53%)?

HEX: #637AAB | RGB: rgb(99, 122, 171) | CMYK: 42%, 29%, 0%, 33% | HSV: 221°, 42%, 67%. Copy any format from the conversion table above.

What colors go well with #637AAB?

The complementary color is HSL(41, 30%, 53%). 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, 30%, 53%) in CSS?

As HSL: color: hsl(221, 30%, 53%); — As HEX: color: #637AAB; — As RGB: color: rgb(99, 122, 171); — Tailwind CSS: bg-[hsl(221,30%,53%)] — CSS variable: --color-primary: hsl(221, 30%, 53%);