Color

#2b7dbf

#2b7dbf
hex#2b7dbf
rgbrgb(43, 125, 191)
hslhsl(207, 63%, 46%)
oklchoklch(0.573 0.128 247.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1894

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bf6e2b

#2bbfb8 · #2b33bf

#bf2b7d · #7dbf2b

Split-complementary

Open in tool →

#bf2b33 · #bfb82b

#b82bbf · #bf6e2b · #33bf2b

Contrast

#2b7dbf as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #2a7abb as the text (4.57:1)
  • AAA: use #205c8d as the text (7.05:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #509bd7 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 #2b7dbf as the background.

Brands using this color

Fonts for this mood

#2b7dbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b7dbf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2b7dbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b7dbf-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