Color #1B37CC – Blue Color Palettes & Inspiration

Q: What is the complementary color of #1B37CC?

The complementary color is #E4C833.

Q: Does #1B37CC have good contrast on white or black?

On white: 8.52:1. On black: 2.47:1.

Likes

Views

Tip: Press ← / → to preview 5% darker/lighter (Shift = 10%).

Actions tap to open

Create Combo

Random

Create Combo

Random

Quick Variations

Original color Lighter 10% Lighter 20% Darker 10% Darker 20% Analogous −30° Analogous +30° Triadic −120° Triadic +120°

#1B37CC FAQs

What is the RGB value of #1B37CC?

RGB: 27, 55, 204. Copy as CSS: rgb(27, 55, 204).

Is #1B37CC a web-safe color?

No — web-safe colors use pairs from 00, 33, 66, 99, CC, FF.

What is the complementary color of #1B37CC?

Complement: #E4C833.

Does #1B37CC have good contrast on white or black?

On white: 8.52:1 (AAA (normal text)). On black: 2.47:1 (Fails AA).

Embed #1B37CC swatch

Embed this swatch

Use this HTML on your site (free with a link):

<a href="https://www.colorcombos.com/colors/1b37cc" rel="ugc nofollow"><img src="https://www.colorcombos.com/images/hotlink-ok/swatches/1b37cc-600x315.png" alt="Color swatch #1B37CC" width="600" height="315" loading="lazy" decoding="async"></a>

Open image

Color #1b37cc Description

Build combos with #1B37CC

#1B37CC has RGB values of 27, 55, 204 and CMYK 87, 73, 0, 20. This blue color works well for CTA buttons and accents. Tags: cool, deep, reads well with white text. The page below contains color combinations, color schemes, color palettes, and images that match and go well with the hex color 1b37cc. The best text color paired with #1B37CC is #FFFFFF There is 1 colour combination with hex code #1b37cc.

Readable text on #1B37CC

Black text: Fail (2.5:1)White text: AAA (8.5:1)