Color

#413f4b

#413f4b
hex#413f4b
rgbrgb(65, 63, 75)
hslhsl(250, 9%, 27%)
oklchoklch(0.374 0.02 293)
Closest name: Arsenic (#3b444b)Relative luminance 0.0519

Tints & shades

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

Harmonies

Complementary

Open in tool →

#494b3f

#3f434b · #473f4b

#4b413f · #3f4b41

Split-complementary

Open in tool →

#4b473f · #434b3f

#4b3f43 · #494b3f · #3f4b47

Contrast

#413f4b as textRatioAAAA largeAAAFix
Aaon white
10.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #757288 as the text (4.52:1)
  • AAA: use #9693a5 as the text (7.01:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #413f4b 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

#413f4b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413f4b
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 #413f4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413f4b-a79cc4-dfb14e-281f2d-e9ecf1?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