#288F63 Color Information

Hex color code: #288F63

#288F63 is a serene cyan color. In RGB it is (40, 143, 99), and in HSL it is (154°, 56%, 36%). It is popular in mobile app design.

Try:

Color NameSea Green

HEX

#288F63

RGB

40, 143, 99

HSL

154°, 56%, 36%

CMYK

72%, 0%, 31%, 44%

Shades

CSS Usage

color: #288F63;
background-color: #288F63;
border-color: #288F63;
box-shadow: 0 0 10px #288F63;
border: 2px solid #288F63;

Tailwind Usage

bg-[#288F63]
text-[#288F63]
border-[#288F63]
shadow-[0_0_10px_288F63]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #288F63, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #288F63; color: #000000; }

Badge

New Feature

.badge { background-color: #288F63; 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 #288F63; background-color: #288F6315; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #288F6320; border-left: 4px solid #288F63; }

Link / Accent

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

a { color: #288F63; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #288F63 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

40, 143, 99

Red: 40 / Green: 143 / Blue: 99

HSL

154°, 56%, 36%

Hue: 154° / Saturation: 56% / Lightness: 36%

CMYK

72%, 0%, 31%, 44%

Cyan: 72% / Magenta: 0% / Yellow: 31% / Key: 44%

What color is #288F63?

#288F63 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

8F2855

Color Palette

HEX to RGB

Convert #288F63 to RGB:

rgb(40, 143, 99)HEX to RGB Converter →

HEX to HSL

Convert #288F63 to HSL:

hsl(154, 56%, 36%)RGB to HSL Converter →

HEX to CMYK

Convert #288F63 to CMYK:

cmyk(72%, 0%, 31%, 44%)Color Converter →

Color Meaning and Usage

#288F63 is a cool cyan color with RGB values of 40, 143, 99 and HSL of 154°, 56%, 36%. This cyan-blue hue evokes trust and professionalism, making it suitable for a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #288F63 is #8F2855, creating high-contrast pairings. For softer combinations, try analogous colors like #288F2F.

Use #288F63 in CSS: color: #288F63 or background-color: #288F63. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #288F63

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

Contrast Ratio: 5.20:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #288F63?

#288F63 is a cool cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #288F63?

#288F63 in RGB is (40, 143, 99) - 40 red, 143 green, and 99 blue.

How to use #288F63 in CSS?

Use #288F63 directly in your CSS properties like color or background-color.

What colors go well with #288F63?

#8F2855 (complementary), #288F2F (analogous), and #18543A (lighter shade) work well with #288F63.