Color

#4152d8

#4152d8
hex#4152d8
rgbrgb(65, 82, 216)
hslhsl(233, 66%, 55%)
oklchoklch(0.51 0.204 271.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1212

Colors that go with #4152d8

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 →

#d8c641

#419ed8 · #7b41d8

#d84152 · #52d841

Split-complementary

Open in tool →

#d87b41 · #9ed841

#d8419e · #d8c641 · #41d87b

Contrast

#4152d8 as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #3043d5 as the text (7.27:1)
Aaon black
3.42:1failpassfail
  • AA: use #5e6dde as the text (4.72:1)
  • AAA: use #8490e6 as the text (7.11:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4152d8 as the background.

Brands using this color

Fonts for this mood

#4152d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4152d8
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 #4152d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4152d8-9c9cc4-df884e-241f2d-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