Color

#1b554d

#1b554d
hex#1b554d
rgbrgb(27, 85, 77)
hslhsl(172, 52%, 22%)
oklchoklch(0.41 0.061 182.5)
Closest name: Cape Verde (#01554f)Relative luminance 0.0727

Tints & shades

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

Harmonies

Complementary

Open in tool →

#551b23

#1b5530 · #1b4055

#4d1b55 · #554d1b

Split-complementary

Open in tool →

#551b40 · #55301b

#301b55 · #551b23 · #40551b

Contrast

#1b554d as textRatioAAAA largeAAAFix
Aaon white
8.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #2a8478 as the text (4.67:1)
  • AAA: use #35a797 as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b554d 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

#1b554d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b554d
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 #1b554d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b554d-a2bebe-d459a5-1f292d-e9f1ec?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