#288ECC Color Information

Hex color code: #288ECC

A cool blue shade, #288ECC appears as (40, 142, 204) in RGB and (203°, 67%, 48%) in HSL. It is commonly used in modern UI design.

Try:
Color NameSteel Blue
HEX
#288ECC
RGB
40, 142, 204
HSL
203°, 67%, 48%
CMYK
80%, 30%, 0%, 20%

Shades

CSS Usage
color: #288ECC;
background-color: #288ECC;
border-color: #288ECC;
box-shadow: 0 0 10px #288ECC;
border: 2px solid #288ECC;
Tailwind Usage
bg-[#288ECC]
text-[#288ECC]
border-[#288ECC]
shadow-[0_0_10px_288ECC]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #288ECC, #FF5733);

Preview in UI

Button

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

Badge

New Feature
.badge { background-color: #288ECC; 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 #288ECC; background-color: #288ECC15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #288ECC20; border-left: 4px solid #288ECC; }

Link / Accent

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

a { color: #288ECC; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

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

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

40, 142, 204

Red: 40 / Green: 142 / Blue: 204

HSL

203°, 67%, 48%

Hue: 203° / Saturation: 67% / Lightness: 48%

CMYK

80%, 30%, 0%, 20%

Cyan: 80% / Magenta: 30% / Yellow: 0% / Key: 20%

What color is #288ECC?

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

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #288ECC to RGB:

rgb(40, 142, 204)HEX to RGB Converter →

HEX to HSL

Convert #288ECC to HSL:

hsl(203, 67%, 48%)RGB to HSL Converter →

HEX to CMYK

Convert #288ECC to CMYK:

cmyk(80%, 30%, 0%, 20%)Color Converter →

Color Meaning and Usage

#288ECC is a serene blue color with RGB values of 40, 142, 204 and HSL of 203°, 67%, 48%. This cyan-blue hue evokes trust and professionalism, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #288ECC is #CC6728, creating high-contrast pairings. For softer combinations, try analogous colors like #28CCB9.

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

Contrast with #288ECC

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

Contrast Ratio: 5.83:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #288ECC?

#288ECC is a serene blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #288ECC?

#288ECC in RGB is (40, 142, 204) - 40 red, 142 green, and 204 blue.

How to use #288ECC in CSS?

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

What colors go well with #288ECC?

#CC6728 (complementary), #28CCB9 (analogous), and #1C618D (lighter shade) work well with #288ECC.