Color

#61b3fa

#61b3fa
hex#61b3fa
rgbrgb(97, 179, 250)
hslhsl(208, 94%, 68%)
oklchoklch(0.744 0.131 246.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.4168

Colors that go with #61b3fa

Charcoal, Dark Orange 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 →

#faa861

#61faf5 · #6166fa

#fa61b3 · #b3fa61

Split-complementary

Open in tool →

#fa6166 · #faf561

#f561fa · #faa861 · #66fa61

Contrast

#61b3fa as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #0777da as the text (4.51:1)
  • AAA: use #0559a3 as the text (7.08:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.16:1)
Aaon black
9.34:1passpasspassPasses 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 #61b3fa as the background.

Brands using this color

Fonts for this mood

#61b3fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #61b3fa
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 #61b3fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/61b3fa-9cadc4-df4e51-1f212d-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