Color

#1b8fac

#1b8fac
hex#1b8fac
rgbrgb(27, 143, 172)
hslhsl(192, 73%, 39%)
oklchoklch(0.603 0.104 220.1)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2286

Colors that go with #1b8fac

Charcoal, Copper and Crimson 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 →

#ac381b

#1bac80 · #1b46ac

#ac1b8f · #8fac1b

Split-complementary

Open in tool →

#ac1b46 · #ac801b

#801bac · #ac381b · #46ac1b

Contrast

#1b8fac as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #18809a as the text (4.57:1)
  • AAA: use #125f73 as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #1fa5c7 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b8fac as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1b8fac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b8fac
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 #1b8fac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b8fac-a2b5be-df4e77-1f242d-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