Color

#388aad

#388aad
hex#388aad
rgbrgb(56, 138, 173)
hslhsl(198, 51%, 45%)
oklchoklch(0.598 0.095 229.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2203

Colors that go with #388aad

Charcoal, Copper and Crimson 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 →

#ad5b38

#38ad96 · #3850ad

#ad388a · #8aad38

Split-complementary

Open in tool →

#ad3850 · #ad9638

#9638ad · #ad5b38 · #50ad38

Contrast

#388aad as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #337e9e as the text (4.55:1)
  • AAA: use #275f77 as the text (7.02:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #4aa0c4 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388aad as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#388aad reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388aad
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 #388aad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388aad-9cb3c4-df4e69-1f232d-e9f1f0?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