Color

#375fd7

#375fd7
hex#375fd7
rgbrgb(55, 95, 215)
hslhsl(225, 67%, 53%)
oklchoklch(0.528 0.19 266)
Closest name: God of Rain (#4466cc)Relative luminance 0.139

Colors that go with #375fd7

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 →

#d7af37

#37afd7 · #5f37d7

#d7375f · #5fd737

Split-complementary

Open in tool →

#d75f37 · #afd737

#d737af · #d7af37 · #37d75f

Contrast

#375fd7 as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #274ec4 as the text (7.06:1)
Aaon black
3.78:1failpassfail
  • AA: use #4c70dc as the text (4.66:1)
  • AAA: use #7792e4 as the text (7.02:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375fd7 as the background.

Brands using this color

Fonts for this mood

#375fd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375fd7
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 #375fd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375fd7-9ca1c4-df754e-221f2d-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