Color

#37433e

#37433e
hex#37433e
rgbrgb(55, 67, 62)
hslhsl(155, 10%, 24%)
oklchoklch(0.37 0.018 168.2)
Closest name: Black Panther (#424242)Relative luminance 0.0517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#43373c

#374338 · #374243

#3e3743 · #433e37

Split-complementary

Open in tool →

#433742 · #433837

#383743 · #43373c · #424337

Contrast

#37433e as textRatioAAAA largeAAAFix
Aaon white
10.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #657b72 as the text (4.63:1)
  • AAA: use #849a91 as the text (7.01:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (7.1:1)

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

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

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

tool url/palettes/new/37433e-a2beb6-d459c8-1f2d2d-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