Color

#388a99

#388a99
hex#388a99
rgbrgb(56, 138, 153)
hslhsl(189, 46%, 41%)
oklchoklch(0.59 0.081 211.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2132

Colors that go with #388a99

Charcoal, Copper 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 →

#994738

#389977 · #385a99

#99388a · #8a9938

Split-complementary

Open in tool →

#99385a · #997738

#773899 · #994738 · #5a9938

Contrast

#388a99 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #34808d as the text (4.55:1)
  • AAA: use #275e68 as the text (7.27:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #42a2b3 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388a99 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

#388a99 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388a99
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 #388a99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388a99-a2b7be-df4e7e-1f252d-e9f1ee?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