Color

#28a7d2

#28a7d2
hex#28a7d2
rgbrgb(40, 167, 210)
hslhsl(195, 68%, 49%)
oklchoklch(0.681 0.121 226.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3274

Colors that go with #28a7d2

Charcoal, Tomato and Terracotta 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 →

#d25228

#28d2a7 · #2852d2

#d228a7 · #a7d228

Split-complementary

Open in tool →

#d22852 · #d2a728

#a728d2 · #d25228 · #52d228

Contrast

#28a7d2 as textRatioAAAA largeAAAFix
Aaon white
2.78:1failfailfail
  • AA: use #1e7e9f as the text (4.63:1)
  • AAA: use #176078 as the text (7.05:1)
  • AA: or shift the background to #333333 (4.54:1)
  • AAA: or shift the background to #0a0a0a (7.12:1)
Aaon black
7.55:1passpasspassPasses 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 #28a7d2 as the background.

Brands using this color

Fonts for this mood

#28a7d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28a7d2
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 #28a7d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a7d2-9cb5c4-df4e70-1f242d-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