Color

#375ae6

#375ae6
hex#375ae6
rgbrgb(55, 90, 230)
hslhsl(228, 78%, 56%)
oklchoklch(0.531 0.215 267.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1384

Colors that go with #375ae6

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 →

#e6c337

#37b2e6 · #6c37e6

#e6375a · #5ae637

Split-complementary

Open in tool →

#e66c37 · #b2e637

#e637b2 · #e6c337 · #37e66c

Contrast

#375ae6 as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #1c44e3 as the text (7.03:1)
Aaon black
3.77:1failpassfail
  • AA: use #4e6de9 as the text (4.69:1)
  • AAA: use #7b92ef as the text (7.2:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375ae6 as the background.

Brands using this color

Fonts for this mood

#375ae6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375ae6
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 #375ae6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375ae6-9c9fc4-df7c4e-231f2d-e9eff1?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