Color

#3725bb

#3725bb
hex#3725bb
rgbrgb(55, 37, 187)
hslhsl(247, 67%, 44%)
oklchoklch(0.409 0.217 276.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0572

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aabb25

#255fbb · #8225bb

#bb3725 · #25bb37

Split-complementary

Open in tool →

#bb8225 · #5fbb25

#bb255f · #aabb25 · #25bb82

Contrast

#3725bb as textRatioAAAA largeAAAFix
Aaon white
9.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #7466e1 as the text (4.73:1)
  • AAA: use #978ce8 as the text (7.23:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3725bb 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

#3725bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3725bb
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 #3725bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3725bb-a59cc4-dfaa4e-271f2d-e9ecf1?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