Color

#2b6bc5

#2b6bc5
hex#2b6bc5
rgbrgb(43, 107, 197)
hslhsl(215, 64%, 47%)
oklchoklch(0.536 0.155 257.7)
Closest name: God of Rain (#4466cc)Relative luminance 0.1506

Colors that go with #2b6bc5

Charcoal, Crimson and Sienna 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 →

#c5852b

#2bb8c5 · #382bc5

#c52b6b · #6bc52b

Split-complementary

Open in tool →

#c5382b · #b8c52b

#c52bb8 · #c5852b · #2bc538

Contrast

#2b6bc5 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #23579f as the text (7.15:1)
Aaon black
4.01:1failpassfail
  • AA: use #3275d2 as the text (4.61:1)
  • AAA: use #6497dd as the text (7.01:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b6bc5 as the background.

Brands using this color

Fonts for this mood

#2b6bc5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b6bc5
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 #2b6bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b6bc5-9ca8c4-df5d4e-201f2d-e9f0f1?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