Color

#2575cb

#2575cb
hex#2575cb
rgbrgb(37, 117, 203)
hslhsl(211, 69%, 47%)
oklchoklch(0.56 0.153 253.7)
Closest name: Campanula (#3473b7)Relative luminance 0.1743

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb7b25

#25c8cb · #2825cb

#cb2575 · #75cb25

Split-complementary

Open in tool →

#cb2825 · #c8cb25

#cb25c8 · #cb7b25 · #25cb28

Contrast

#2575cb as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #1c5a9b as the text (7.03:1)
Aaon black
4.49:1failpassfail
  • AA: use #2678cf as the text (4.67:1)
  • AAA: use #5799e0 as the text (7.04:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2575cb as the background.

Brands using this color

Fonts for this mood

#2575cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2575cb
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 #2575cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2575cb-9cabc4-df534e-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