#40454F Color Information

Hex color code: #40454F

The hex color #40454F is a neutral blue with RGB values of (64, 69, 79) and HSL of (220°, 10%, 28%). It is commonly used in modern UI design.

Try:
Color NameDark Slate Gray
HEX
#40454F
RGB
64, 69, 79
HSL
220°, 10%, 28%
CMYK
19%, 13%, 0%, 69%

Shades

CSS Usage
color: #40454F;
background-color: #40454F;
border-color: #40454F;
box-shadow: 0 0 10px #40454F;
border: 2px solid #40454F;
Tailwind Usage
bg-[#40454F]
text-[#40454F]
border-[#40454F]
shadow-[0_0_10px_40454F]

Generate Gradient

→
Gradient CSS
background: linear-gradient(90deg, #40454F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #40454F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #40454F; color: #FFFFFF; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #40454F; background-color: #40454F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #40454F20; border-left: 4px solid #40454F; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #40454F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #40454F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

64, 69, 79

Red: 64 / Green: 69 / Blue: 79

HSL

220°, 10%, 28%

Hue: 220° / Saturation: 10% / Lightness: 28%

CMYK

19%, 13%, 0%, 69%

Cyan: 19% / Magenta: 13% / Yellow: 0% / Key: 69%

What color is #40454F?

#40454F is a desaturated neutral associated with balance and subtlety.

Color Shades

FFFFFF
C6C7CA
8C8F95
535861

Complementary Colors

4F4A40

Color Palette

4F4A40Complementary
404C4FAnalogous
43404F
4F4045Triadic
454F40
000000Shade
1E2024Shade
636A79Shade
89909FShade

HEX to RGB

Convert #40454F to RGB:

rgb(64, 69, 79)HEX to RGB Converter →

HEX to HSL

Convert #40454F to HSL:

hsl(220, 10%, 28%)RGB to HSL Converter →

HEX to CMYK

Convert #40454F to CMYK:

cmyk(19%, 13%, 0%, 69%)Color Converter →

Color Meaning and Usage

#40454F is a muted blue color with RGB values of 64, 69, 79 and HSL of 220°, 10%, 28%. This desaturated neutral evokes balance and subtlety, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #40454F is #4F4A40, creating high-contrast pairings. For softer combinations, try analogous colors like #404C4F.

Use #40454F in CSS: color: #40454F or background-color: #40454F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #40454F

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 2.18:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #40454F?

#40454F is a muted blue color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #40454F?

#40454F in RGB is (64, 69, 79) - 64 red, 69 green, and 79 blue.

How to use #40454F in CSS?

Use #40454F directly in your CSS properties like color or background-color.

What colors go well with #40454F?

#4F4A40 (complementary), #404C4F (analogous), and #1E2024 (lighter shade) work well with #40454F.