Color

#403c49

#403c49
hex#403c49
rgbrgb(64, 60, 73)
hslhsl(258, 10%, 26%)
oklchoklch(0.365 0.023 299.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#45493c

#3c3e49 · #463c49

#49403c · #3c4940

Split-complementary

Open in tool →

#49463c · #3e493c

#493c3e · #45493c · #3c4946

Contrast

#403c49 as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #7a738c as the text (4.66:1)
  • AAA: use #9a94a8 as the text (7.18:1)
  • AA: or shift the background to #a8a8a8 (4.5:1)
  • AAA: or shift the background to #d1d1d1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403c49 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

#403c49 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403c49
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 #403c49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403c49-ad9cc4-dfc44e-291f2d-e9ebf1?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