Color

#37152d

#37152d
hex#37152d
rgbrgb(55, 21, 45)
hslhsl(318, 45%, 15%)
oklchoklch(0.257 0.065 340)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15371f

#311537 · #37151c

#2d3715 · #152d37

Split-complementary

Open in tool →

#1c3715 · #153731

#373115 · #15371f · #151c37

Contrast

#37152d as textRatioAAAA largeAAAFix
Aaon white
16.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #ba4a99 as the text (4.53:1)
  • AAA: use #cd7ab4 as the text (7.04:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37152d 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

#37152d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37152d
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 #37152d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37152d-c19fb3-75cb62-2d1f23-f0e9f1?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