Color

#198fa3

#198fa3
hex#198fa3
rgbrgb(25, 143, 163)
hslhsl(189, 73%, 37%)
oklchoklch(0.599 0.1 212.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.225

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a32e19

#19a373 · #194aa3

#a3198f · #8fa319

Split-complementary

Open in tool →

#a3194a · #a37319

#7319a3 · #a32e19 · #4aa319

Contrast

#198fa3 as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #177f92 as the text (4.68:1)
  • AAA: use #11606e as the text (7.19:1)
  • AA: or shift the background to #1a1a1a (4.56:1)
Aaon black
5.5:1passpassfail
  • AAA: use #1ea6be as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #198fa3 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

#198fa3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #198fa3
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 #198fa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/198fa3-a2b7be-df4e7e-1f252d-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