Color

#3c83be

#3c83be
hex#3c83be
rgbrgb(60, 131, 190)
hslhsl(207, 52%, 49%)
oklchoklch(0.592 0.115 246.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2091

Colors that go with #3c83be

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 →

#be763c

#3cbeb7 · #3c42be

#be3c83 · #83be3c

Split-complementary

Open in tool →

#be3c42 · #beb73c

#b73cbe · #be763c · #42be3c

Contrast

#3c83be as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #387bb2 as the text (4.52:1)
  • AAA: use #2a5b84 as the text (7.17:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.18:1passpassfail
  • AAA: use #609ccd as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c83be 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

#3c83be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c83be
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 #3c83be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c83be-9cadc4-df4e53-1f212d-e9f1f1?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