Color

#374fc8

#374fc8
hex#374fc8
rgbrgb(55, 79, 200)
hslhsl(230, 57%, 50%)
oklchoklch(0.485 0.189 269.4)
Closest name: Denim (#1560bd)Relative luminance 0.1057

Colors that go with #374fc8

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 →

#c8b037

#3798c8 · #6737c8

#c8374f · #4fc837

Split-complementary

Open in tool →

#c86737 · #98c837

#c83798 · #c8b037 · #37c867

Contrast

#374fc8 as textRatioAAAA largeAAAFix
Aaon white
6.74:1passpassfail
  • AAA: use #354cc0 as the text (7.13:1)
Aaon black
3.11:1failpassfail
  • AA: use #5b6fd2 as the text (4.65:1)
  • AAA: use #8392dd as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (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 #374fc8 as the background.

Brands using this color

Fonts for this mood

#374fc8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374fc8
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 #374fc8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374fc8-9c9ec4-df814e-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