Color

#288edc

#288edc
hex#288edc
rgbrgb(40, 142, 220)
hslhsl(206, 72%, 51%)
oklchoklch(0.628 0.148 246.9)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2496

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc7628

#28dcd0 · #2834dc

#dc288e · #8edc28

Split-complementary

Open in tool →

#dc2834 · #dcd028

#d028dc · #dc7628 · #34dc28

Contrast

#288edc as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #1f7bc1 as the text (4.5:1)
  • AAA: use #185c91 as the text (7.05:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
5.99:1passpassfail
  • AAA: use #429ce0 as the text (7.06:1)

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

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

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

tool url/palettes/new/288edc-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