Color

#376cd7

#376cd7
hex#376cd7
rgbrgb(55, 108, 215)
hslhsl(220, 67%, 53%)
oklchoklch(0.554 0.174 262.4)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1644

Colors that go with #376cd7

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 →

#d7a237

#37bdd7 · #5237d7

#d7376c · #6cd737

Split-complementary

Open in tool →

#d75237 · #bdd737

#d737bd · #d7a237 · #37d752

Contrast

#376cd7 as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #2353b3 as the text (7.1:1)
Aaon black
4.29:1failpassfail
  • AA: use #3f73d9 as the text (4.67:1)
  • AAA: use #6e95e2 as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #376cd7 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

#376cd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #376cd7
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 #376cd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376cd7-9ca5c4-df694e-211f2d-e9f0f1?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