Color

#28bde6

#28bde6
hex#28bde6
rgbrgb(40, 189, 230)
hslhsl(193, 79%, 53%)
oklchoklch(0.743 0.13 222.2)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4256

Colors that go with #28bde6

Charcoal, Denim and Dodger Blue 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 →

#e65128

#28e6b0 · #285ee6

#e628bd · #bde628

Split-complementary

Open in tool →

#e6285e · #e6b028

#b028e6 · #e65128 · #5ee628

Contrast

#28bde6 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #127e9b as the text (4.68:1)
  • AAA: use #0e6077 as the text (7.1:1)
  • AA: or shift the background to #424242 (4.55:1)
  • AAA: or shift the background to #242424 (7.03:1)
Aaon black
9.51:1passpasspassPasses 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 #28bde6 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

#28bde6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28bde6
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 #28bde6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bde6-a2b5be-df4e75-1f242d-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