#391DB4 Color Information

Hex color code: #391DB4

#391DB4 is a bold blue color. In RGB it is (57, 29, 180), and in HSL it is (251°, 72%, 41%). It is often used for branding and logos.

Try:
Color NameDark Slate Blue
HEX
#391DB4
RGB
57, 29, 180
HSL
251°, 72%, 41%
CMYK
68%, 84%, 0%, 29%

Shades

CSS Usage
color: #391DB4;
background-color: #391DB4;
border-color: #391DB4;
box-shadow: 0 0 10px #391DB4;
border: 2px solid #391DB4;
Tailwind Usage
bg-[#391DB4]
text-[#391DB4]
border-[#391DB4]
shadow-[0_0_10px_391DB4]

Generate Gradient

→
Gradient CSS
background: linear-gradient(90deg, #391DB4, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #391DB4; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #391DB4; 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 #391DB4; background-color: #391DB415; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #391DB420; border-left: 4px solid #391DB4; }

Link / Accent

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

a { color: #391DB4; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #391DB4 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

57, 29, 180

Red: 57 / Green: 29 / Blue: 180

HSL

251°, 72%, 41%

Hue: 251° / Saturation: 72% / Lightness: 41%

CMYK

68%, 84%, 0%, 29%

Cyan: 68% / Magenta: 84% / Yellow: 0% / Key: 29%

What color is #391DB4?

#391DB4 is a blue-purple hue associated with creativity and luxury.

Color Shades

FFFFFF
C4BBE9
8877D2
4D34BC

Complementary Colors

98B41D

Color Palette

98B41DComplementary
1D4DB4Analogous
841DB4
B4391DTriadic
1DB439
0F0830Shade
241372Shade
5C3EE0Shade
9380EAShade

HEX to RGB

Convert #391DB4 to RGB:

rgb(57, 29, 180)HEX to RGB Converter →

HEX to HSL

Convert #391DB4 to HSL:

hsl(251, 72%, 41%)RGB to HSL Converter →

HEX to CMYK

Convert #391DB4 to CMYK:

cmyk(68%, 84%, 0%, 29%)Color Converter →

Color Meaning and Usage

#391DB4 is a dynamic blue color with RGB values of 57, 29, 180 and HSL of 251°, 72%, 41%. This blue-purple hue evokes creativity and luxury, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #391DB4 is #98B41D, creating high-contrast pairings. For softer combinations, try analogous colors like #1D4DB4.

Use #391DB4 in CSS: color: #391DB4 or background-color: #391DB4. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #391DB4

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

Contrast Ratio: 2.01:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #391DB4?

#391DB4 is a dynamic blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #391DB4?

#391DB4 in RGB is (57, 29, 180) - 57 red, 29 green, and 180 blue.

How to use #391DB4 in CSS?

Use #391DB4 directly in your CSS properties like color or background-color.

What colors go well with #391DB4?

#98B41D (complementary), #1D4DB4 (analogous), and #241372 (lighter shade) work well with #391DB4.