Color

#28a1e2

#28a1e2
hex#28a1e2
rgbrgb(40, 161, 226)
hslhsl(201, 76%, 52%)
oklchoklch(0.675 0.139 238.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3143

Colors that go with #28a1e2

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 →

#e26928

#28e2c6 · #2843e2

#e228a1 · #a1e228

Split-complementary

Open in tool →

#e22843 · #e2c628

#c628e2 · #e26928 · #43e228

Contrast

#28a1e2 as textRatioAAAA largeAAAFix
Aaon white
2.88:1failfailfail
  • AA: use #187db4 as the text (4.53:1)
  • AAA: use #125e87 as the text (7.05:1)
  • AA: or shift the background to #303030 (4.58:1)
  • AAA: or shift the background to #050505 (7.07:1)
Aaon black
7.29:1passpasspassPasses 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 #28a1e2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28a1e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28a1e2
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 #28a1e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a1e2-9cb1c4-df4e62-1f222d-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