Color

#3c8fc3

#3c8fc3
hex#3c8fc3
rgbrgb(60, 143, 195)
hslhsl(203, 53%, 50%)
oklchoklch(0.622 0.112 239.7)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2455

Colors that go with #3c8fc3

Charcoal, Orange Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3703c

#3cc3b3 · #3c4cc3

#c33c8f · #8fc33c

Split-complementary

Open in tool →

#c33c4c · #c3b33c

#b33cc3 · #c3703c · #4cc33c

Contrast

#3c8fc3 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #347ba8 as the text (4.62:1)
  • AAA: use #265c7d as the text (7.22:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.91:1passpassfail
  • AAA: use #539dca as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8fc3 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

#3c8fc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c8fc3
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 #3c8fc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8fc3-9cb0c4-df4e5d-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