HSL(221, 10%, 28%)

Grayish Blue — Blue color

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Color Information

Color Name

Grayish Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(221,10%,28%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 10%, 28%) color: hsl(221, 10%, 28%)
HEX #40454F color: #40454F
RGB rgb(64, 69, 79) color: rgb(64, 69, 79)
CMYK cmyk(19%, 13%, 0%, 69%)
HSV hsv(220, 19%, 31%)
HWB hwb(220 25% 69%) color: hwb(220 25% 69%)
OKLCH oklch(0.3896 0.0182 264.34) color: oklch(0.3896 0.0182 264.34)
Lab lab(29.19 0.41 -6.69) color: lab(29.19 0.41 -6.69)
LCH lch(29.19 6.7 273.51) color: lch(29.19 6.7 273.51)

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 9.62:1
vs Black 2.18:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#42424D — rgb(66, 66, 77)

Deuteranopia (Green-blind)

#42424C — rgb(66, 66, 76)

Tritanopia (Blue-blind)

#404B4A — rgb(64, 75, 74)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 10%, 28%);

text

color: hsl(221, 10%, 28%);

border

border: 2px solid hsl(221, 10%, 28%);

gradient light

background: linear-gradient(to right, hsl(221, 10%, 48%), hsl(221, 10%, 28%));

gradient dark

background: linear-gradient(to right, hsl(221, 10%, 28%), hsl(221, 10%, 8%))

hex

background-color: #40454F;

tailwind

bg-[hsl(221,10%,28%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 10%, 28%, 0.4);

css variable

--color-primary: hsl(221, 10%, 28%);

Related Colors

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, 10%, 28%)?

HEX: #40454F | RGB: rgb(64, 69, 79) | CMYK: 19%, 13%, 0%, 69% | HSV: 220°, 19%, 31%. Copy any format from the conversion table above.

What colors go well with #40454F?

The complementary color is HSL(41, 10%, 28%). 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, 10%, 28%) in CSS?

As HSL: color: hsl(221, 10%, 28%); — As HEX: color: #40454F; — As RGB: color: rgb(64, 69, 79); — Tailwind CSS: bg-[hsl(221,10%,28%)] — CSS variable: --color-primary: hsl(221, 10%, 28%);