Color

#2b70b6

#2b70b6
hex#2b70b6
rgbrgb(43, 112, 182)
hslhsl(210, 62%, 44%)
oklchoklch(0.537 0.13 251.8)
Closest name: Campanula (#3473b7)Relative luminance 0.1548

Colors that go with #2b70b6

Charcoal, Crimson and Sea Green 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 →

#b6702b

#2bb6b6 · #2b2bb6

#b62b70 · #70b62b

Split-complementary

Open in tool →

#b62b2b · #b6b62b

#b62bb6 · #b6702b · #2bb62b

Contrast

#2b70b6 as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #225991 as the text (7.23:1)
Aaon black
4.1:1failpassfail
  • AA: use #2e78c2 as the text (4.58:1)
  • AAA: use #5e9cd9 as the text (7.23:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b70b6 as the background.

Brands using this color

Fonts for this mood

#2b70b6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b70b6
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 #2b70b6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b70b6-9cabc4-df514e-1f202d-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