Color

#28a0eb

#28a0eb
hex#28a0eb
rgbrgb(40, 160, 235)
hslhsl(203, 83%, 54%)
oklchoklch(0.677 0.149 242.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3159

Colors that go with #28a0eb

Charcoal, Tomato and Bronze lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb7328

#28ebd4 · #283feb

#eb28a0 · #a0eb28

Split-complementary

Open in tool →

#eb283f · #ebd428

#d428eb · #eb7328 · #3feb28

Contrast

#28a0eb as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #117abb as the text (4.64:1)
  • AAA: use #0d5b8c as the text (7.26:1)
  • AA: or shift the background to #303030 (4.6:1)
  • AAA: or shift the background to #050505 (7.1:1)
Aaon black
7.32:1passpasspassPasses 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 #28a0eb 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

#28a0eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28a0eb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #28a0eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a0eb-9cb0c4-df4e5d-1f222d-e9f1f0?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