Color

#28beeb

#28beeb
hex#28beeb
rgbrgb(40, 190, 235)
hslhsl(194, 83%, 54%)
oklchoklch(0.747 0.133 224.2)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4328

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb5628

#28ebb7 · #285ceb

#eb28be · #beeb28

Split-complementary

Open in tool →

#eb285c · #ebb728

#b728eb · #eb5628 · #5ceb28

Contrast

#28beeb as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #0f7d9f as the text (4.71:1)
  • AAA: use #0b6079 as the text (7.09:1)
  • AA: or shift the background to #424242 (4.62:1)
  • AAA: or shift the background to #242424 (7.14:1)
Aaon black
9.66:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28beeb 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

#28beeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28beeb
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 #28beeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28beeb-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