Color

#3ca0c8

#3ca0c8
hex#3ca0c8
rgbrgb(60, 160, 200)
hslhsl(197, 56%, 51%)
oklchoklch(0.665 0.108 228.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c8643c

#3cc8aa · #3c5ac8

#c83ca0 · #a0c83c

Split-complementary

Open in tool →

#c83c5a · #c8aa3c

#aa3cc8 · #c8643c · #5ac83c

Contrast

#3ca0c8 as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #2d7f9f as the text (4.52:1)
  • AAA: use #225f77 as the text (7.07:1)
  • AA: or shift the background to #2e2e2e (4.56:1)
  • AAA: or shift the background to #000000 (7.05:1)
Aaon black
7.05:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3ca0c8 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

#3ca0c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ca0c8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3ca0c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ca0c8-9cb4c4-df4e6b-1f232d-e9f1ef?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