Color

#375df6

#375df6
hex#375df6
rgbrgb(55, 93, 246)
hslhsl(228, 91%, 59%)
oklchoklch(0.55 0.232 267.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1529

Colors that go with #375df6

Charcoal, Crimson 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 →

#f6d037

#37bdf6 · #7037f6

#f6375d · #5df637

Split-complementary

Open in tool →

#f67037 · #bdf637

#f637bd · #f6d037 · #37f670

Contrast

#375df6 as textRatioAAAA largeAAAFix
Aaon white
5.17:1passpassfail
  • AAA: use #0b3af4 as the text (7.18:1)
Aaon black
4.06:1failpassfail
  • AA: use #4669f6 as the text (4.61:1)
  • AAA: use #7791f9 as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375df6 as the background.

Brands using this color

Fonts for this mood

#375df6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375df6
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 #375df6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375df6-9c9fc4-df7c4e-231f2d-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