Color

#2b74ab

#2b74ab
hex#2b74ab
rgbrgb(43, 116, 171)
hslhsl(206, 60%, 42%)
oklchoklch(0.54 0.112 245)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1594

Colors that go with #2b74ab

Charcoal, Rust 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 →

#ab632b

#2baba3 · #2b33ab

#ab2b74 · #74ab2b

Split-complementary

Open in tool →

#ab2b33 · #aba32b

#a32bab · #ab632b · #33ab2b

Contrast

#2b74ab as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #225b87 as the text (7.21:1)
Aaon black
4.19:1failpassfail
  • AA: use #2d79b4 as the text (4.51:1)
  • AAA: use #549cd4 as the text (7.08:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b74ab as the background.

Brands using this color

Fonts for this mood

#2b74ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b74ab
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 #2b74ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b74ab-9caec4-df4e56-1f212d-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