#287E9F Color Information

Hex color code: #287E9F

The hex color #287E9F is a calming blue with RGB values of (40, 126, 159) and HSL of (197°, 60%, 39%). It is frequently seen in web interfaces.

Try:

Color NameSteel Blue

HEX

#287E9F

RGB

40, 126, 159

HSL

197°, 60%, 39%

CMYK

75%, 21%, 0%, 38%

Shades

CSS Usage

color: #287E9F;
background-color: #287E9F;
border-color: #287E9F;
box-shadow: 0 0 10px #287E9F;
border: 2px solid #287E9F;

Tailwind Usage

bg-[#287E9F]
text-[#287E9F]
border-[#287E9F]
shadow-[0_0_10px_287E9F]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #287E9F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #287E9F; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #287E9F; 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 #287E9F; background-color: #287E9F15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #287E9F20; border-left: 4px solid #287E9F; }

Link / Accent

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

a { color: #287E9F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #287E9F in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

40, 126, 159

Red: 40 / Green: 126 / Blue: 159

HSL

197°, 60%, 39%

Hue: 197° / Saturation: 60% / Lightness: 39%

CMYK

75%, 21%, 0%, 38%

Cyan: 75% / Magenta: 21% / Yellow: 0% / Key: 38%

What color is #287E9F?

#287E9F is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

9F4A28

Color Palette

HEX to RGB

Convert #287E9F to RGB:

rgb(40, 126, 159)HEX to RGB Converter →

HEX to HSL

Convert #287E9F to HSL:

hsl(197, 60%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #287E9F to CMYK:

cmyk(75%, 21%, 0%, 38%)Color Converter →

Color Meaning and Usage

A calming blue tone, #287E9F has RGB (40, 126, 159) and HSL (197°, 60%, 39%). Known for evoking trust and professionalism, this cyan-blue hue is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #287E9F is #9F4A28, creating high-contrast pairings. For softer combinations, try analogous colors like #289F85.

Use #287E9F in CSS: color: #287E9F or background-color: #287E9F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #287E9F

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

Contrast Ratio: 4.58:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #287E9F?

#287E9F is a calming blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #287E9F?

#287E9F in RGB is (40, 126, 159) - 40 red, 126 green, and 159 blue.

How to use #287E9F in CSS?

Use #287E9F directly in your CSS properties like color or background-color.

What colors go well with #287E9F?

#9F4A28 (complementary), #289F85 (analogous), and #184D62 (lighter shade) work well with #287E9F.