Color

#2a75bb

#2a75bb
hex#2a75bb
rgbrgb(42, 117, 187)
hslhsl(209, 63%, 45%)
oklchoklch(0.551 0.131 250.3)
Closest name: Campanula (#3473b7)Relative luminance 0.168

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb702a

#2abbb9 · #2a2dbb

#bb2a75 · #75bb2a

Split-complementary

Open in tool →

#bb2a2d · #bbb92a

#b92abb · #bb702a · #2dbb2a

Contrast

#2a75bb as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #215b91 as the text (7.07:1)
Aaon black
4.36:1failpassfail
  • AA: use #2b78bf as the text (4.54:1)
  • AAA: use #599bd9 as the text (7.12:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a75bb as the background.

Brands using this color

Fonts for this mood

#2a75bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a75bb
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 #2a75bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a75bb-9cacc4-df4e4e-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