Color

#388f99

#388f99
hex#388f99
rgbrgb(56, 143, 153)
hslhsl(186, 46%, 41%)
oklchoklch(0.602 0.083 205.7)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2279

Colors that go with #388f99

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.

Real palettes that use #388f99

Tints & shades

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

Harmonies

Complementary

Open in tool →

#994238

#389972 · #385f99

#99388f · #8f9938

Split-complementary

Open in tool →

#99385f · #997238

#723899 · #994238 · #5f9938

Contrast

#388f99 as textRatioAAAA largeAAAFix
Aaon white
3.78:1failpassfail
  • AA: use #33818a as the text (4.52:1)
  • AAA: use #255e65 as the text (7.32:1)
  • AA: or shift the background to #1c1c1c (4.51:1)
Aaon black
5.56:1passpassfail
  • AAA: use #41a4af as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388f99 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

#388f99 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388f99
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 #388f99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388f99-a2b8be-df4e86-1f262d-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