Color

#1f5145

#1f5145
hex#1f5145
rgbrgb(31, 81, 69)
hslhsl(166, 45%, 22%)
oklchoklch(0.397 0.058 175)
Closest name: Cape Verde (#01554f)Relative luminance 0.0661

Tints & shades

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

Harmonies

Complementary

Open in tool →

#511f2b

#1f512c · #1f4451

#461f51 · #51461f

Split-complementary

Open in tool →

#511f44 · #512c1f

#2c1f51 · #511f2b · #44511f

Contrast

#1f5145 as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #31816f as the text (4.5:1)
  • AAA: use #3fa68e as the text (7.06:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f5145 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f5145 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f5145
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 #1f5145 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f5145-a2bebb-d459b1-1f2a2d-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