Color

#398e8d

#398e8d
hex#398e8d
rgbrgb(57, 142, 141)
hslhsl(179, 43%, 39%)
oklchoklch(0.595 0.081 194.1)
Closest name: Highlands (#449084)Relative luminance 0.2214

Colors that go with #398e8d

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 #398e8d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e393a

#398e62 · #39658e

#8d398e · #8e8d39

Split-complementary

Open in tool →

#8e3965 · #8e6239

#62398e · #8e393a · #658e39

Contrast

#398e8d as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #33807e as the text (4.64:1)
  • AAA: use #265f5e as the text (7.29:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.43:1passpassfail
  • AAA: use #41a4a2 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398e8d 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

mcpConnect your agent — build around #398e8d
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 #398e8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398e8d-a2bbbe-d45996-1f272d-e9f1ed?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