Color

#288faf

#288faf
hex#288faf
rgbrgb(40, 143, 175)
hslhsl(194, 63%, 42%)
oklchoklch(0.607 0.102 223.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2319

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af4728

#28af8b · #284caf

#af288f · #8faf28

Split-complementary

Open in tool →

#af284c · #af8b28

#8b28af · #af4728 · #4caf28

Contrast

#288faf as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #237e9a as the text (4.64:1)
  • AAA: use #1a5f74 as the text (7.16:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.64:1passpassfail
  • AAA: use #2da4c8 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288faf as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#288faf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #288faf
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 #288faf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288faf-9cb6c4-df4e72-1f242d-e9f1ef?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