Color

#28acbd

#28acbd
hex#28acbd
rgbrgb(40, 172, 189)
hslhsl(187, 65%, 45%)
oklchoklch(0.684 0.109 208.2)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3363

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd3a28

#28bd84 · #2861bd

#bd28ac · #acbd28

Split-complementary

Open in tool →

#bd2861 · #bd8428

#8428bd · #bd3a28 · #61bd28

Contrast

#28acbd as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #1e828f as the text (4.52:1)
  • AAA: use #166069 as the text (7.21:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.05:1)
Aaon black
7.73:1passpasspassPasses 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 #28acbd 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

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

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

tool url/palettes/new/28acbd-a2b8be-df4e83-1f262d-e9f1ee?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