Color

#3d615c

#3d615c
hex#3d615c
rgbrgb(61, 97, 92)
hslhsl(172, 23%, 31%)
oklchoklch(0.464 0.042 184.9)
Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.1031

Colors that go with #3d615c

Cadet Blue, Champagne and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #3d615c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#613d42

#3d614a · #3d5461

#5c3d61 · #615c3d

Split-complementary

Open in tool →

#613d54 · #614a3d

#4a3d61 · #613d42 · #54613d

Contrast

#3d615c as textRatioAAAA largeAAAFix
Aaon white
6.86:1passpassfail
  • AAA: use #3b5e59 as the text (7.16:1)
Aaon black
3.06:1failpassfail
  • AA: use #4f7d77 as the text (4.53:1)
  • AAA: use #68a199 as the text (7.15:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d615c 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

mcpConnect your agent — build around #3d615c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d615c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d615c-a2bebe-d459a5-1f292d-e9f1ec?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