Color

#198cbe

#198cbe
hex#198cbe
rgbrgb(25, 140, 190)
hslhsl(198, 77%, 42%)
oklchoklch(0.604 0.12 234.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2268

Colors that go with #198cbe

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 →

#be4a19

#19be9d · #193abe

#be198c · #8cbe19

Split-complementary

Open in tool →

#be193a · #be9d19

#9d19be · #be4a19 · #3abe19

Contrast

#198cbe as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #167fac as the text (4.5:1)
  • AAA: use #105d7e as the text (7.27:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #1ca0d9 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #198cbe 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

#198cbe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #198cbe
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 #198cbe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/198cbe-9cb3c4-df4e69-1f232d-e9f1f0?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