Color

#661e67

#661e67
hex#661e67
rgbrgb(102, 30, 103)
hslhsl(299, 55%, 26%)
oklchoklch(0.38 0.138 327.3)
Closest name: Imperial (#602f6b)Relative luminance 0.0473

Colors that go with #661e67

Sea Green, Denim and Tomato 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 #661e67

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f671e

#411e67 · #671e44

#67661e · #1e6766

Split-complementary

Open in tool →

#44671e · #1e6741

#67411e · #1f671e · #1e4467

Contrast

#661e67 as textRatioAAAA largeAAAFix
Aaon white
10.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #bf38c2 as the text (4.56:1)
  • AAA: use #d471d6 as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (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 #661e67 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

#661e67 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #661e67
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 #661e67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/661e67-c19fbd-96cb62-2d1f27-ede9f1?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