#128AB5 Color Information

Hex color code: #128AB5

A striking blue shade, #128AB5 appears as (18, 138, 181) in RGB and (196°, 82%, 39%) in HSL. It is popular in mobile app design.

Try:

Color NameLight Sea Green

HEX

#128AB5

RGB

18, 138, 181

HSL

196°, 82%, 39%

CMYK

90%, 24%, 0%, 29%

Shades

CSS Usage

color: #128AB5;
background-color: #128AB5;
border-color: #128AB5;
box-shadow: 0 0 10px #128AB5;
border: 2px solid #128AB5;

Tailwind Usage

bg-[#128AB5]
text-[#128AB5]
border-[#128AB5]
shadow-[0_0_10px_128AB5]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #128AB5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #128AB5; color: #000000; }

Badge

New Feature

.badge { background-color: #128AB5; 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 #128AB5; background-color: #128AB515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #128AB520; border-left: 4px solid #128AB5; }

Link / Accent

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

a { color: #128AB5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #128AB5 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

18, 138, 181

Red: 18 / Green: 138 / Blue: 181

HSL

196°, 82%, 39%

Hue: 196° / Saturation: 82% / Lightness: 39%

CMYK

90%, 24%, 0%, 29%

Cyan: 90% / Magenta: 24% / Yellow: 0% / Key: 29%

What color is #128AB5?

#128AB5 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

B53D12

Color Palette

HEX to RGB

Convert #128AB5 to RGB:

rgb(18, 138, 181)HEX to RGB Converter →

HEX to HSL

Convert #128AB5 to HSL:

hsl(196, 82%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #128AB5 to CMYK:

cmyk(90%, 24%, 0%, 29%)Color Converter →

Color Meaning and Usage

A striking blue tone, #128AB5 has RGB (18, 138, 181) and HSL (196°, 82%, 39%). Known for evoking energy and excitement, this highly saturated hue is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #128AB5 is #B53D12, creating high-contrast pairings. For softer combinations, try analogous colors like #12B58F.

Use #128AB5 in CSS: color: #128AB5 or background-color: #128AB5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #128AB5

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

Contrast Ratio: 5.33:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #128AB5?

#128AB5 is a striking blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #128AB5?

#128AB5 in RGB is (18, 138, 181) - 18 red, 138 green, and 181 blue.

How to use #128AB5 in CSS?

Use #128AB5 directly in your CSS properties like color or background-color.

What colors go well with #128AB5?

#B53D12 (complementary), #12B58F (analogous), and #0B556F (lighter shade) work well with #128AB5.