Color

#3e9fa8

#3e9fa8
hex#3e9fa8
rgbrgb(62, 159, 168)
hslhsl(185, 46%, 45%)
oklchoklch(0.65 0.09 203.8)
Closest name: Baltic (#279d9f)Relative luminance 0.2865

Colors that go with #3e9fa8

Charcoal, Tomato and Copper 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 #3e9fa8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8473e

#3ea87c · #3e6aa8

#a83e9f · #9fa83e

Split-complementary

Open in tool →

#a83e6a · #a87c3e

#7c3ea8 · #a8473e · #6aa83e

Contrast

#3e9fa8 as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #327f86 as the text (4.65:1)
  • AAA: use #255f65 as the text (7.23:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.73:1passpassfail
  • AAA: use #41a6af as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e9fa8 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

#3e9fa8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e9fa8
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 #3e9fa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e9fa8-a2b8be-df4e88-1f262d-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