Color

#198ca3

#198ca3
hex#198ca3
rgbrgb(25, 140, 163)
hslhsl(190, 73%, 37%)
oklchoklch(0.591 0.099 215.7)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2161

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a33019

#19a375 · #1947a3

#a3198c · #8ca319

Split-complementary

Open in tool →

#a31947 · #a37519

#7519a3 · #a33019 · #47a319

Contrast

#198ca3 as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #178196 as the text (4.55:1)
  • AAA: use #115f6e as the text (7.28:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #1ea3be as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #198ca3 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

#198ca3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #198ca3
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 #198ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/198ca3-a2b6be-df4e7c-1f252d-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