Color

#1b643d

#1b643d
hex#1b643d
rgbrgb(27, 100, 61)
hslhsl(148, 57%, 25%)
oklchoklch(0.448 0.096 155.5)
Closest name: Bucolic (#1b6634)Relative luminance 0.0968

Tints & shades

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

Harmonies

Complementary

Open in tool →

#641b42

#1e641b · #1b6462

#3d1b64 · #643d1b

Split-complementary

Open in tool →

#621b64 · #641b1e

#1b1e64 · #641b42 · #64621b

Contrast

#1b643d as textRatioAAAA largeAAAFix
Aaon white
7.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #258853 as the text (4.73:1)
  • AAA: use #2fac69 as the text (7.23:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b643d 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

#1b643d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b643d
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 #1b643d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b643d-a2beb2-d259d4-1f2d2c-eaf1e9?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