HSL(221, 17%, 47%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(221,17%,47%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 17%, 47%) color: hsl(221, 17%, 47%)
HEX #63708C color: #63708C
RGB rgb(99, 112, 140) color: rgb(99, 112, 140)
CMYK cmyk(29%, 20%, 0%, 45%)
HSV hsv(221, 29%, 55%)
HWB hwb(221 39% 45%) color: hwb(221 39% 45%)
OKLCH oklch(0.545 0.0467 265.38) color: oklch(0.545 0.0467 265.38)
Lab lab(47.15 1.98 -16.92) color: lab(47.15 1.98 -16.92)
LCH lch(47.15 17.04 276.67) color: lch(47.15 17.04 276.67)

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 4.97:1
vs Black 4.23:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#696985 — rgb(105, 105, 133)

Deuteranopia (Green-blind)

#686784 — rgb(104, 103, 132)

Tritanopia (Blue-blind)

#64807F — rgb(100, 128, 127)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 17%, 47%);

text

color: hsl(221, 17%, 47%);

border

border: 2px solid hsl(221, 17%, 47%);

gradient light

background: linear-gradient(to right, hsl(221, 17%, 67%), hsl(221, 17%, 47%));

gradient dark

background: linear-gradient(to right, hsl(221, 17%, 47%), hsl(221, 17%, 27%))

hex

background-color: #63708C;

tailwind

bg-[hsl(221,17%,47%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 17%, 47%, 0.4);

css variable

--color-primary: hsl(221, 17%, 47%);

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, 17%, 47%)?

HEX: #63708C | RGB: rgb(99, 112, 140) | CMYK: 29%, 20%, 0%, 45% | HSV: 221°, 29%, 55%. Copy any format from the conversion table above.

What colors go well with #63708C?

The complementary color is HSL(41, 17%, 47%). 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, 17%, 47%) in CSS?

As HSL: color: hsl(221, 17%, 47%); — As HEX: color: #63708C; — As RGB: color: rgb(99, 112, 140); — Tailwind CSS: bg-[hsl(221,17%,47%)] — CSS variable: --color-primary: hsl(221, 17%, 47%);