Color

#3c415d

#3c415d
hex#3c415d
rgbrgb(60, 65, 93)
hslhsl(231, 22%, 30%)
oklchoklch(0.383 0.048 276.1)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0553

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d583c

#3c525d · #473c5d

#5d3c41 · #415d3c

Split-complementary

Open in tool →

#5d473c · #525d3c

#5d3c52 · #5d583c · #3c5d47

Contrast

#3c415d as textRatioAAAA largeAAAFix
Aaon white
9.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #6a72a0 as the text (4.53:1)
  • AAA: use #8f95b7 as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.6:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c415d 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

#3c415d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c415d
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 #3c415d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c415d-9c9ec4-df834e-231f2d-e9eef1?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