Color

#413f5a

#413f5a
hex#413f5a
rgbrgb(65, 63, 90)
hslhsl(244, 18%, 30%)
oklchoklch(0.381 0.046 287.4)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0542

Tints & shades

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

Harmonies

Complementary

Open in tool →

#585a3f

#3f4b5a · #4e3f5a

#5a413f · #3f5a41

Split-complementary

Open in tool →

#5a4e3f · #4b5a3f

#5a3f4b · #585a3f · #3f5a4e

Contrast

#413f5a as textRatioAAAA largeAAAFix
Aaon white
10.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #74729d as the text (4.64:1)
  • AAA: use #9593b4 as the text (7.11:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #413f5a 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

#413f5a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413f5a
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 #413f5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413f5a-a39cc4-dfa24e-261f2d-e9edf1?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