Color

#370ebe

#370ebe
hex#370ebe
rgbrgb(55, 14, 190)
hslhsl(254, 86%, 40%)
oklchoklch(0.393 0.234 277.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0484

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#95be0e

#0e3dbe · #8f0ebe

#be370e · #0ebe37

Split-complementary

Open in tool →

#be8f0e · #3dbe0e

#be0e3d · #95be0e · #0ebe8f

Contrast

#370ebe as textRatioAAAA largeAAAFix
Aaon white
10.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #7d59f3 as the text (4.6:1)
  • AAA: use #9e84f6 as the text (7.09:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370ebe 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

#370ebe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370ebe
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #370ebe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370ebe-aa9cc4-dfbb4e-291f2d-e9ebf1?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