Color

#37433d

#37433d
hex#37433d
rgbrgb(55, 67, 61)
hslhsl(150, 10%, 24%)
oklchoklch(0.37 0.019 163.7)
Closest name: Black Panther (#424242)Relative luminance 0.0516

Tints & shades

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

Harmonies

Complementary

Open in tool →

#43373d

#374337 · #374343

#3d3743 · #433d37

Split-complementary

Open in tool →

#433743 · #433737

#373743 · #43373d · #434337

Contrast

#37433d as textRatioAAAA largeAAAFix
Aaon white
10.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #657b70 as the text (4.62:1)
  • AAA: use #869c91 as the text (7.18:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37433d 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

#37433d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37433d
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 #37433d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37433d-a2beb3-d459d2-1f2d2c-e9f1ea?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