Color

#445b5f

#445b5f
hex#445b5f
rgbrgb(68, 91, 95)
hslhsl(189, 17%, 32%)
oklchoklch(0.454 0.029 209.4)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0954

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f4844

#445f56 · #444d5f

#5f445b · #5b5f44

Split-complementary

Open in tool →

#5f444d · #5f5644

#56445f · #5f4844 · #4d5f44

Contrast

#445b5f as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #5b7b80 as the text (4.59:1)
  • AAA: use #7c9ca2 as the text (7.13:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #445b5f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #445b5f
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 #445b5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/445b5f-a2b7be-df4e7e-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