Color

#403b45

#403b45
hex#403b45
rgbrgb(64, 59, 69)
hslhsl(270, 8%, 25%)
oklchoklch(0.361 0.018 307.9)
Closest name: After Midnight (#38393f)Relative luminance 0.0465

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40453b

#3b3b45 · #453b45

#45403b · #3b4540

Split-complementary

Open in tool →

#45453b · #3b453b

#453b3b · #40453b · #3b4545

Contrast

#403b45 as textRatioAAAA largeAAAFix
Aaon white
10.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #7a7184 as the text (4.52:1)
  • AAA: use #9c94a4 as the text (7.19:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403b45 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

#403b45 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403b45
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 #403b45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403b45-b59cc4-c9cb62-2c1f2d-eae9f1?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