#3658DD Color Information

Hex color code: #3658DD

#3658DD is a bold blue color. In RGB it is (54, 88, 221), and in HSL it is (228°, 71%, 54%). It is frequently seen in web interfaces.

Try:
Color NameRoyal Blue
HEX
#3658DD
RGB
54, 88, 221
HSL
228°, 71%, 54%
CMYK
76%, 60%, 0%, 13%

Shades

CSS Usage
color: #3658DD;
background-color: #3658DD;
border-color: #3658DD;
box-shadow: 0 0 10px #3658DD;
border: 2px solid #3658DD;
Tailwind Usage
bg-[#3658DD]
text-[#3658DD]
border-[#3658DD]
shadow-[0_0_10px_3658DD]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3658DD, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3658DD; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3658DD; 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 #3658DD; background-color: #3658DD15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3658DD20; border-left: 4px solid #3658DD; }

Link / Accent

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

a { color: #3658DD; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3658DD in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

54, 88, 221

Red: 54 / Green: 88 / Blue: 221

HSL

228°, 71%, 54%

Hue: 228° / Saturation: 71% / Lightness: 54%

CMYK

76%, 60%, 0%, 13%

Cyan: 76% / Magenta: 60% / Yellow: 0% / Key: 13%

What color is #3658DD?

#3658DD is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3658DD to RGB:

rgb(54, 88, 221)HEX to RGB Converter →

HEX to HSL

Convert #3658DD to HSL:

hsl(228, 71%, 54%)RGB to HSL Converter →

HEX to CMYK

Convert #3658DD to CMYK:

cmyk(76%, 60%, 0%, 13%)Color Converter →

Color Meaning and Usage

#3658DD is a eye-catching blue color with RGB values of 54, 88, 221 and HSL of 228°, 71%, 54%. This blue-purple hue evokes creativity and luxury, making it suitable for typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3658DD is #DDBC36, creating high-contrast pairings. For softer combinations, try analogous colors like #36ABDD.

Use #3658DD in CSS: color: #3658DD or background-color: #3658DD. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3658DD

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

Contrast Ratio: 3.60:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3658DD?

#3658DD is a eye-catching blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3658DD?

#3658DD in RGB is (54, 88, 221) - 54 red, 88 green, and 221 blue.

How to use #3658DD in CSS?

Use #3658DD directly in your CSS properties like color or background-color.

What colors go well with #3658DD?

#DDBC36 (complementary), #36ABDD (analogous), and #1D39AA (lighter shade) work well with #3658DD.