Color

#3e8ebb

#3e8ebb
hex#3e8ebb
rgbrgb(62, 142, 187)
hslhsl(202, 50%, 49%)
oklchoklch(0.617 0.103 236.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2396

Colors that go with #3e8ebb

Charcoal, Copper and Dodger Blue 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 →

#bb6c3e

#3ebbab · #3e4fbb

#bb3e8e · #8ebb3e

Split-complementary

Open in tool →

#bb3e4f · #bbab3e

#ab3ebb · #bb6c3e · #4fbb3e

Contrast

#3e8ebb as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #377ca4 as the text (4.58:1)
  • AAA: use #295c7a as the text (7.23:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #579ec7 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 #3e8ebb 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

#3e8ebb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e8ebb
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 #3e8ebb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e8ebb-9cb1c4-df4e5f-1f222d-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