HSL(221, 11%, 45%)

Grayish Blue — Blue color

Adjust Color

Color Information

Color Name

Grayish Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(221,11%,45%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 11%, 45%) color: hsl(221, 11%, 45%)
HEX #666E7F color: #666E7F
RGB rgb(102, 110, 127) color: rgb(102, 110, 127)
CMYK cmyk(20%, 13%, 0%, 50%) —
HSV hsv(221, 20%, 50%) —
HWB hwb(221 40% 50%) color: hwb(221 40% 50%)
OKLCH oklch(0.5375 0.0284 265.41) color: oklch(0.5375 0.0284 265.41)
Lab lab(46.32 0.88 -10.41) color: lab(46.32 0.88 -10.41)
LCH lch(46.32 10.45 274.83) color: lch(46.32 10.45 274.83)

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 5.12:1
vs Black 4.1:1

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)

#696A7B — rgb(105, 106, 123)

Deuteranopia (Green-blind)

#69687A — rgb(105, 104, 122)

Tritanopia (Blue-blind)

#667877 — rgb(102, 120, 119)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 11%, 45%);

text

color: hsl(221, 11%, 45%);

border

border: 2px solid hsl(221, 11%, 45%);

gradient light

background: linear-gradient(to right, hsl(221, 11%, 65%), hsl(221, 11%, 45%));

gradient dark

background: linear-gradient(to right, hsl(221, 11%, 45%), hsl(221, 11%, 25%))

hex

background-color: #666E7F;

tailwind

bg-[hsl(221,11%,45%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 11%, 45%, 0.4);

css variable

--color-primary: hsl(221, 11%, 45%);

Related Colors

#737373

221,0,45

#4F6696

221,31,45

#393D47

221,11,25

#9CA2B0

221,11,65

#66747F

206,11,45

#66727F

211,11,45

#666A7F

231,11,45

#66687F

236,11,45

Use Cases for Grayish Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(221, 11%, 45%)?

HEX: #666E7F | RGB: rgb(102, 110, 127) | CMYK: 20%, 13%, 0%, 50% | HSV: 221°, 20%, 50%. Copy any format from the conversion table above.

What colors go well with #666E7F?

The complementary color is HSL(41, 11%, 45%). 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, 11%, 45%) in CSS?

As HSL: color: hsl(221, 11%, 45%); — As HEX: color: #666E7F; — As RGB: color: rgb(102, 110, 127); — Tailwind CSS: bg-[hsl(221,11%,45%)] — CSS variable: --color-primary: hsl(221, 11%, 45%);