Color

#4153c8

#4153c8
hex#4153c8
rgbrgb(65, 83, 200)
hslhsl(232, 55%, 52%)
oklchoklch(0.498 0.182 271.5)
Closest name: Denim (#1560bd)Relative luminance 0.1148

Colors that go with #4153c8

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c8b641

#4197c8 · #7341c8

#c84153 · #53c841

Split-complementary

Open in tool →

#c87341 · #97c841

#c84197 · #c8b641 · #41c873

Contrast

#4153c8 as textRatioAAAA largeAAAFix
Aaon white
6.37:1passpassfail
  • AAA: use #384bc2 as the text (7.11:1)
Aaon black
3.3:1failpassfail
  • AA: use #5d6cd0 as the text (4.52:1)
  • AAA: use #8894dd as the text (7.33:1)
  • AA: or shift the background to #d9d9d9 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4153c8 as the background.

Brands using this color

Fonts for this mood

#4153c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4153c8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4153c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4153c8-9c9dc4-df864e-231f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md