Color

#048cb9

#048cb9
hex#048cb9
rgbrgb(4, 140, 185)
hslhsl(195, 96%, 37%)
oklchoklch(0.6 0.119 230.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2228

Colors that go with #048cb9

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 →

#b93104

#04b98c · #0431b9

#b9048c · #8cb904

Split-complementary

Open in tool →

#b90431 · #b98c04

#8c04b9 · #b93104 · #31b904

Contrast

#048cb9 as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #037da5 as the text (4.69:1)
  • AAA: use #035e7d as the text (7.24:1)
  • AA: or shift the background to #1a1a1a (4.52:1)
Aaon black
5.46:1passpassfail
  • 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 #048cb9 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

#048cb9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #048cb9
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 #048cb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/048cb9-9cb5c4-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