HSL(221, 36%, 55%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,36%,55%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 36%, 55%) color: hsl(221, 36%, 55%)
HEX #637DB6 color: #637DB6
RGB rgb(99, 125, 182) color: rgb(99, 125, 182)
CMYK cmyk(46%, 31%, 0%, 29%)
HSV hsv(221, 46%, 71%)
HWB hwb(221 38% 29%) color: hwb(221 38% 29%)
OKLCH oklch(0.5935 0.0928 264.97) color: oklch(0.5935 0.0928 264.97)
Lab lab(52.62 6.13 -33) color: lab(52.62 6.13 -33)
LCH lch(52.62 33.56 280.52) color: lch(52.62 33.56 280.52)

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 4.09:1
vs Black 5.14:1

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)

#6E6EA8 — rgb(110, 110, 168)

Deuteranopia (Green-blind)

#6D6BA5 — rgb(109, 107, 165)

Tritanopia (Blue-blind)

#649D9B — rgb(100, 157, 155)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 36%, 55%);

text

color: hsl(221, 36%, 55%);

border

border: 2px solid hsl(221, 36%, 55%);

gradient light

background: linear-gradient(to right, hsl(221, 36%, 75%), hsl(221, 36%, 55%));

gradient dark

background: linear-gradient(to right, hsl(221, 36%, 55%), hsl(221, 36%, 35%))

hex

background-color: #637DB6;

tailwind

bg-[hsl(221,36%,55%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 36%, 55%, 0.4);

css variable

--color-primary: hsl(221, 36%, 55%);

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, 36%, 55%)?

HEX: #637DB6 | RGB: rgb(99, 125, 182) | CMYK: 46%, 31%, 0%, 29% | HSV: 221°, 46%, 71%. Copy any format from the conversion table above.

What colors go well with #637DB6?

The complementary color is HSL(41, 36%, 55%). 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, 36%, 55%) in CSS?

As HSL: color: hsl(221, 36%, 55%); — As HEX: color: #637DB6; — As RGB: color: rgb(99, 125, 182); — Tailwind CSS: bg-[hsl(221,36%,55%)] — CSS variable: --color-primary: hsl(221, 36%, 55%);