Color

#3087cf

#3087cf
hex#3087cf
rgbrgb(48, 135, 207)
hslhsl(207, 62%, 50%)
oklchoklch(0.606 0.137 247.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2246

Colors that go with #3087cf

Charcoal, Crimson 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 →

#cf7830

#30cfc7 · #3038cf

#cf3087 · #87cf30

Split-complementary

Open in tool →

#cf3038 · #cfc730

#c730cf · #cf7830 · #38cf30

Contrast

#3087cf as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #2c7aba as the text (4.57:1)
  • AAA: use #215c8c as the text (7.06:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #519bd6 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3087cf as the background.

Brands using this color

Fonts for this mood

#3087cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3087cf
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 #3087cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3087cf-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