Color

#503a4e

#503a4e
hex#503a4e
rgbrgb(80, 58, 78)
hslhsl(305, 16%, 27%)
oklchoklch(0.381 0.044 329.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.0528

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a503c

#473a50 · #503a43

#4e503a · #3a4e50

Split-complementary

Open in tool →

#43503a · #3a5047

#50473a · #3a503c · #3a4350

Contrast

#503a4e as textRatioAAAA largeAAAFix
Aaon white
10.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #91698e as the text (4.62:1)
  • AAA: use #ab8ca9 as the text (7.06:1)
  • AA: or shift the background to #adadad (4.55:1)
  • AAA: or shift the background to #d6d6d6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #503a4e 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

#503a4e reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #503a4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #503a4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503a4e-c19fba-8ccb62-2d1f26-eee9f1?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