Color

#423347

#423347
hex#423347
rgbrgb(66, 51, 71)
hslhsl(285, 16%, 24%)
oklchoklch(0.346 0.04 317.6)
Closest name: Call It a Night (#42364c)Relative luminance 0.0398

Tints & shades

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

Harmonies

Complementary

Open in tool →

#384733

#383347 · #473342

#474233 · #334742

Split-complementary

Open in tool →

#424733 · #334738

#473833 · #384733 · #334247

Contrast

#423347 as textRatioAAAA largeAAAFix
Aaon white
11.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #8a6b94 as the text (4.61:1)
  • AAA: use #a68fae as the text (7.16:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (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 #423347 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

#423347 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423347
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 #423347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423347-bc9fc1-afcb62-2d1f2b-ebe9f1?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