Color

#1f727f

#1f727f
hex#1f727f
rgbrgb(31, 114, 127)
hslhsl(188, 61%, 31%)
oklchoklch(0.51 0.078 210.3)
Closest name: Astral (#376f89)Relative luminance 0.1386

Colors that go with #1f727f

Charcoal, Rust 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 #1f727f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f2c1f

#1f7f5c · #1f427f

#7f1f72 · #727f1f

Split-complementary

Open in tool →

#7f1f42 · #7f5c1f

#5c1f7f · #7f2c1f · #427f1f

Contrast

#1f727f as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #1a606b as the text (7.17:1)
Aaon black
3.77:1failpassfail
  • AA: use #238190 as the text (4.61:1)
  • AAA: use #2da6b9 as the text (7.27:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f727f 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

#1f727f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f727f
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 #1f727f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f727f-a2b7be-df4e81-1f252d-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