Color

#3d2e57

#3d2e57
hex#3d2e57
rgbrgb(61, 46, 87)
hslhsl(262, 31%, 26%)
oklchoklch(0.338 0.072 299.4)
Closest name: Acai (#48295b)Relative luminance 0.0363

Colors that go with #3d2e57

Dark Olive Green, Sea Green and Teal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48572e

#2e3357 · #512e57

#573d2e · #2e573d

Split-complementary

Open in tool →

#57512e · #33572e

#572e33 · #48572e · #2e5751

Contrast

#3d2e57 as textRatioAAAA largeAAAFix
Aaon white
12.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #8369b0 as the text (4.61:1)
  • AAA: use #a18dc3 as the text (7.11:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d2e57 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

#3d2e57 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d2e57
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 #3d2e57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d2e57-af9cc4-dfce4e-2a1f2d-e9eaf1?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