Color

#0488b4

#0488b4
hex#0488b4
rgbrgb(4, 136, 180)
hslhsl(195, 96%, 36%)
oklchoklch(0.587 0.116 230.2)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2093

Colors that go with #0488b4

Charcoal, Crimson and Royal 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 →

#b43004

#04b488 · #0430b4

#b40488 · #88b404

Split-complementary

Open in tool →

#b40430 · #b48804

#8804b4 · #b43004 · #30b404

Contrast

#0488b4 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #037da5 as the text (4.69:1)
  • AAA: use #035e7d as the text (7.24:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #04a2d7 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0488b4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0488b4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0488b4
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 #0488b4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0488b4-9cb5c4-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