Color

#633157

#633157
hex#633157
rgbrgb(99, 49, 87)
hslhsl(314, 34%, 29%)
oklchoklch(0.393 0.089 336.9)
Closest name: Opulent Purple (#673362)Relative luminance 0.0554

Colors that go with #633157

Sea Green, Crimson and Denim 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 →

#31633d

#563163 · #63313e

#576331 · #315763

Split-complementary

Open in tool →

#3e6331 · #316356

#635631 · #31633d · #313e63

Contrast

#633157 as textRatioAAAA largeAAAFix
Aaon white
9.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #ad5899 as the text (4.63:1)
  • AAA: use #c181b2 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (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 #633157 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

#633157 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #633157
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 #633157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/633157-c19fb5-7ccb62-2d1f24-efe9f1?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