#40B588 Color Information

Hex color code: #40B588

The hex color #40B588 is a gentle cyan with RGB values of (64, 181, 136) and HSL of (157°, 48%, 48%). It is frequently seen in web interfaces.

Try:

Color NameMedium Sea Green

HEX

#40B588

RGB

64, 181, 136

HSL

157°, 48%, 48%

CMYK

65%, 0%, 25%, 29%

Shades

CSS Usage

color: #40B588;
background-color: #40B588;
border-color: #40B588;
box-shadow: 0 0 10px #40B588;
border: 2px solid #40B588;

Tailwind Usage

bg-[#40B588]
text-[#40B588]
border-[#40B588]
shadow-[0_0_10px_40B588]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #40B588, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #40B588; color: #000000; }

Badge

New Feature

.badge { background-color: #40B588; color: #000000; }

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 #40B588; background-color: #40B58815; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #40B58820; border-left: 4px solid #40B588; }

Link / Accent

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

a { color: #40B588; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #40B588 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

64, 181, 136

Red: 64 / Green: 181 / Blue: 136

HSL

157°, 48%, 48%

Hue: 157° / Saturation: 48% / Lightness: 48%

CMYK

65%, 0%, 25%, 29%

Cyan: 65% / Magenta: 0% / Yellow: 25% / Key: 29%

What color is #40B588?

#40B588 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

B5406D

Color Palette

HEX to RGB

Convert #40B588 to RGB:

rgb(64, 181, 136)HEX to RGB Converter →

HEX to HSL

Convert #40B588 to HSL:

hsl(157, 48%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #40B588 to CMYK:

cmyk(65%, 0%, 25%, 29%)Color Converter →

Color Meaning and Usage

A delicate cyan tone, #40B588 has RGB (64, 181, 136) and HSL (157°, 48%, 48%). Known for evoking trust and professionalism, this cyan-blue hue is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #40B588 is #B5406D, creating high-contrast pairings. For softer combinations, try analogous colors like #40B54D.

Use #40B588 in CSS: color: #40B588 or background-color: #40B588. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #40B588

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

Contrast Ratio: 8.18:1

WCAG AA: Pass

WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #40B588?

#40B588 is a delicate cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #40B588?

#40B588 in RGB is (64, 181, 136) - 64 red, 181 green, and 136 blue.

How to use #40B588 in CSS?

Use #40B588 directly in your CSS properties like color or background-color.

What colors go well with #40B588?

#B5406D (complementary), #40B54D (analogous), and #2C7D5E (lighter shade) work well with #40B588.