HSL(221, 38%, 56%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,38%,56%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 38%, 56%) color: hsl(221, 38%, 56%)
HEX #647FB9 color: #647FB9
RGB rgb(100, 127, 185) color: rgb(100, 127, 185)
CMYK cmyk(46%, 31%, 0%, 27%) —
HSV hsv(221, 46%, 73%) —
HWB hwb(221 39% 27%) color: hwb(221 39% 27%)
OKLCH oklch(0.6 0.0944 264.64) color: oklch(0.6 0.0944 264.64)
Lab lab(53.37 6.1 -33.53) color: lab(53.37 6.1 -33.53)
LCH lch(53.37 34.08 280.31) color: lch(53.37 34.08 280.31)

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 3.98:1
vs Black 5.28:1

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)

#7070AB — rgb(112, 112, 171)

Deuteranopia (Green-blind)

#6E6CA8 — rgb(110, 108, 168)

Tritanopia (Blue-blind)

#65A09D — rgb(101, 160, 157)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 38%, 56%);

text

color: hsl(221, 38%, 56%);

border

border: 2px solid hsl(221, 38%, 56%);

gradient light

background: linear-gradient(to right, hsl(221, 38%, 76%), hsl(221, 38%, 56%));

gradient dark

background: linear-gradient(to right, hsl(221, 38%, 56%), hsl(221, 38%, 36%))

hex

background-color: #647FB9;

tailwind

bg-[hsl(221,38%,56%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 38%, 56%, 0.4);

css variable

--color-primary: hsl(221, 38%, 56%);

Related Colors

#7B87A3

221,18,56

#4E77D0

221,58,56

#394F7F

221,38,36

#ABB9D9

221,38,76

#6494B9

206,38,56

#648DB9

211,38,56

#6471B9

231,38,56

#646AB9

236,38,56

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, 38%, 56%)?

HEX: #647FB9 | RGB: rgb(100, 127, 185) | CMYK: 46%, 31%, 0%, 27% | HSV: 221°, 46%, 73%. Copy any format from the conversion table above.

What colors go well with #647FB9?

The complementary color is HSL(41, 38%, 56%). 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, 38%, 56%) in CSS?

As HSL: color: hsl(221, 38%, 56%); — As HEX: color: #647FB9; — As RGB: color: rgb(100, 127, 185); — Tailwind CSS: bg-[hsl(221,38%,56%)] — CSS variable: --color-primary: hsl(221, 38%, 56%);