Color

#3c8ecd

#3c8ecd
hex#3c8ecd
rgbrgb(60, 142, 205)
hslhsl(206, 59%, 52%)
oklchoklch(0.625 0.124 245)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2471

Colors that go with #3c8ecd

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 →

#cd7b3c

#3ccdc3 · #3c46cd

#cd3c8e · #8ecd3c

Split-complementary

Open in tool →

#cd3c46 · #cdc33c

#c33ccd · #cd7b3c · #46cd3c

Contrast

#3c8ecd as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #2e79b2 as the text (4.67:1)
  • AAA: use #235b86 as the text (7.21:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.94:1passpassfail
  • AAA: use #559cd3 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8ecd as the background.

Brands using this color

Fonts for this mood

#3c8ecd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c8ecd
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 #3c8ecd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8ecd-9caec4-df4e56-1f212d-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