Color

#351d44

#351d44
hex#351d44
rgbrgb(53, 29, 68)
hslhsl(277, 40%, 19%)
oklchoklch(0.282 0.074 310.9)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c441d

#221d44 · #441d3f

#44351d · #1d4435

Split-complementary

Open in tool →

#3f441d · #1d4422

#44221d · #2c441d · #1d3f44

Contrast

#351d44 as textRatioAAAA largeAAAFix
Aaon white
14.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #975eba as the text (4.63:1)
  • AAA: use #b086cb as the text (7.12:1)
  • AA: or shift the background to #8f8f8f (4.6:1)
  • AAA: or shift the background to #b3b3b3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #351d44 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#351d44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #351d44
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 #351d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/351d44-b99cc4-bdcb62-2d1f2c-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