Color

#1b7983

#1b7983
hex#1b7983
rgbrgb(27, 121, 131)
hslhsl(186, 66%, 31%)
oklchoklch(0.529 0.083 205.8)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1555

Colors that go with #1b7983

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#83251b

#1b8359 · #1b4583

#831b79 · #79831b

Split-complementary

Open in tool →

#831b45 · #83591b

#591b83 · #83251b · #45831b

Contrast

#1b7983 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #16616a as the text (7.11:1)
Aaon black
4.11:1failpassfail
  • AA: use #1d818c as the text (4.57:1)
  • AAA: use #24a4b2 as the text (7.03:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b7983 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

#1b7983 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b7983
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 #1b7983 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b7983-a2b8be-df4e86-1f262d-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