Color

#631976

#631976
hex#631976
rgbrgb(99, 25, 118)
hslhsl(288, 65%, 28%)
oklchoklch(0.38 0.156 318.4)
Closest name: Extraviolet (#661188)Relative luminance 0.0466

Colors that go with #631976

Tomato, Forest Green and Charcoal 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 →

#2c7619

#351976 · #76195a

#766319 · #197663

Split-complementary

Open in tool →

#5a7619 · #197635

#763519 · #2c7619 · #195a76

Contrast

#631976 as textRatioAAAA largeAAAFix
Aaon white
10.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #b639d5 as the text (4.54:1)
  • AAA: use #cc74e2 as the text (7.16:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #631976 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

#631976 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #631976
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 #631976 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/631976-be9fc1-aacb62-2d1f2a-ece9f1?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