#308FBB Color Information

Hex color code: #308FBB

The hex color #308FBB is a tranquil blue with RGB values of (48, 143, 187) and HSL of (199°, 59%, 46%). It is widely used in graphic design.

Try:

Color NameSteel Blue

HEX

#308FBB

RGB

48, 143, 187

HSL

199°, 59%, 46%

CMYK

74%, 24%, 0%, 27%

Shades

CSS Usage

color: #308FBB;
background-color: #308FBB;
border-color: #308FBB;
box-shadow: 0 0 10px #308FBB;
border: 2px solid #308FBB;

Tailwind Usage

bg-[#308FBB]
text-[#308FBB]
border-[#308FBB]
shadow-[0_0_10px_308FBB]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #308FBB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #308FBB; color: #000000; }

Badge

New Feature

.badge { background-color: #308FBB; 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 #308FBB; background-color: #308FBB15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #308FBB20; border-left: 4px solid #308FBB; }

Link / Accent

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

a { color: #308FBB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #308FBB in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

48, 143, 187

Red: 48 / Green: 143 / Blue: 187

HSL

199°, 59%, 46%

Hue: 199° / Saturation: 59% / Lightness: 46%

CMYK

74%, 24%, 0%, 27%

Cyan: 74% / Magenta: 24% / Yellow: 0% / Key: 27%

What color is #308FBB?

#308FBB is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

BB5C30

Color Palette

HEX to RGB

Convert #308FBB to RGB:

rgb(48, 143, 187)HEX to RGB Converter →

HEX to HSL

Convert #308FBB to HSL:

hsl(199, 59%, 46%)RGB to HSL Converter →

HEX to CMYK

Convert #308FBB to CMYK:

cmyk(74%, 24%, 0%, 27%)Color Converter →

Color Meaning and Usage

#308FBB is a peaceful blue color with RGB values of 48, 143, 187 and HSL of 199°, 59%, 46%. This cyan-blue hue evokes trust and professionalism, making it suitable for frequently seen in web interfaces. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #308FBB is #BB5C30, creating high-contrast pairings. For softer combinations, try analogous colors like #30BBA1.

Use #308FBB in CSS: color: #308FBB or background-color: #308FBB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #308FBB

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

Contrast Ratio: 5.77:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #308FBB?

#308FBB is a peaceful blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #308FBB?

#308FBB in RGB is (48, 143, 187) - 48 red, 143 green, and 187 blue.

How to use #308FBB in CSS?

Use #308FBB directly in your CSS properties like color or background-color.

What colors go well with #308FBB?

#BB5C30 (complementary), #30BBA1 (analogous), and #20607E (lighter shade) work well with #308FBB.