Color

#1fa1b2

#1fa1b2
hex#1fa1b2
rgbrgb(31, 161, 178)
hslhsl(187, 70%, 41%)
oklchoklch(0.651 0.106 208.7)
Closest name: Baltic (#279d9f)Relative luminance 0.29

Colors that go with #1fa1b2

Charcoal, Orange Red and Amber 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.

Real palettes that use #1fa1b2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2301f

#1fb27a · #1f57b2

#b21fa1 · #a1b21f

Split-complementary

Open in tool →

#b21f57 · #b27a1f

#7a1fb2 · #b2301f · #57b21f

Contrast

#1fa1b2 as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #19818f as the text (4.59:1)
  • AAA: use #13626c as the text (7.02:1)
  • AA: or shift the background to #2b2b2b (4.58:1)
Aaon black
6.8:1passpassfail
  • AAA: use #20a5b6 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1fa1b2 as the background.

Brands using this color

Fonts for this mood

#1fa1b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fa1b2
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 #1fa1b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fa1b2-a2b8be-df4e83-1f262d-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