Color

#374ac8

#374ac8
hex#374ac8
rgbrgb(55, 74, 200)
hslhsl(232, 57%, 50%)
oklchoklch(0.476 0.195 270.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0988

Colors that go with #374ac8

Charcoal, Sea Green and Steel Blue 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 →

#c8b537

#3793c8 · #6c37c8

#c8374a · #4ac837

Split-complementary

Open in tool →

#c86c37 · #93c837

#c83793 · #c8b537 · #37c86c

Contrast

#374ac8 as textRatioAAAA largeAAAFix
Aaon white
7.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #5f6ed3 as the text (4.66:1)
  • AAA: use #8793de as the text (7.26:1)
  • AA: or shift the background to #cfcfcf (4.53:1)
  • AAA: or shift the background to #ffffff (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374ac8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#374ac8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374ac8
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 #374ac8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374ac8-9c9dc4-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