#289F8B Color Information

Hex color code: #289F8B

The hex color #289F8B is a peaceful cyan with RGB values of (40, 159, 139) and HSL of (170°, 60%, 39%). It is widely used in graphic design.

Try:
Color NameLight Sea Green
HEX
#289F8B
RGB
40, 159, 139
HSL
170°, 60%, 39%
CMYK
75%, 0%, 13%, 38%

Shades

CSS Usage
color: #289F8B;
background-color: #289F8B;
border-color: #289F8B;
box-shadow: 0 0 10px #289F8B;
border: 2px solid #289F8B;
Tailwind Usage
bg-[#289F8B]
text-[#289F8B]
border-[#289F8B]
shadow-[0_0_10px_289F8B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #289F8B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #289F8B; color: #000000; }

Badge

New Feature
.badge { background-color: #289F8B; 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 #289F8B; background-color: #289F8B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #289F8B20; border-left: 4px solid #289F8B; }

Link / Accent

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

a { color: #289F8B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #289F8B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

40, 159, 139

Red: 40 / Green: 159 / Blue: 139

HSL

170°, 60%, 39%

Hue: 170° / Saturation: 60% / Lightness: 39%

CMYK

75%, 0%, 13%, 38%

Cyan: 75% / Magenta: 0% / Yellow: 13% / Key: 38%

What color is #289F8B?

#289F8B is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #289F8B to RGB:

rgb(40, 159, 139)HEX to RGB Converter →

HEX to HSL

Convert #289F8B to HSL:

hsl(170, 60%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #289F8B to CMYK:

cmyk(75%, 0%, 13%, 38%)Color Converter →

Color Meaning and Usage

A calming cyan tone, #289F8B has RGB (40, 159, 139) and HSL (170°, 60%, 39%). Known for evoking trust and professionalism, this cyan-blue hue is a solid option for clean and minimal interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #289F8B is #9F283C, creating high-contrast pairings. For softer combinations, try analogous colors like #289F50.

Use #289F8B in CSS: color: #289F8B or background-color: #289F8B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #289F8B

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

Contrast Ratio: 6.42:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #289F8B?

#289F8B is a calming cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #289F8B?

#289F8B in RGB is (40, 159, 139) - 40 red, 159 green, and 139 blue.

How to use #289F8B in CSS?

Use #289F8B directly in your CSS properties like color or background-color.

What colors go well with #289F8B?

#9F283C (complementary), #289F50 (analogous), and #186256 (lighter shade) work well with #289F8B.