Color

#374dc8

#374dc8
hex#374dc8
rgbrgb(55, 77, 200)
hslhsl(231, 57%, 50%)
oklchoklch(0.482 0.192 269.8)
Closest name: Denim (#1560bd)Relative luminance 0.1029

Colors that go with #374dc8

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 →

#c8b237

#3795c8 · #6a37c8

#c8374d · #4dc837

Split-complementary

Open in tool →

#c86a37 · #95c837

#c83795 · #c8b237 · #37c86a

Contrast

#374dc8 as textRatioAAAA largeAAAFix
Aaon white
6.87:1passpassfail
  • AAA: use #364bc4 as the text (7.09:1)
Aaon black
3.06:1failpassfail
  • AA: use #5b6dd2 as the text (4.56:1)
  • AAA: use #8794de as the text (7.32:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374dc8 as the background.

Brands using this color

Fonts for this mood

#374dc8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374dc8
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 #374dc8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374dc8-9c9ec4-df834e-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