Color

#4288bd

#4288bd
hex#4288bd
rgbrgb(66, 136, 189)
hslhsl(206, 48%, 50%)
oklchoklch(0.605 0.107 243.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2244

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd7742

#42bdb5 · #424abd

#bd4288 · #88bd42

Split-complementary

Open in tool →

#bd424a · #bdb542

#b542bd · #bd7742 · #4abd42

Contrast

#4288bd as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #3c7aaa as the text (4.61:1)
  • AAA: use #2d5c80 as the text (7.11:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #609bc7 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 #4288bd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4288bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4288bd
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 #4288bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4288bd-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