Color

#37152e

#37152e
hex#37152e
rgbrgb(55, 21, 46)
hslhsl(316, 45%, 15%)
oklchoklch(0.258 0.066 338.6)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0155

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15371e

#2f1537 · #37151d

#2e3715 · #152e37

Split-complementary

Open in tool →

#1d3715 · #15372f

#372f15 · #15371e · #151d37

Contrast

#37152e as textRatioAAAA largeAAAFix
Aaon white
16.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #ba4a9c as the text (4.55:1)
  • AAA: use #cd7ab6 as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.15:1)

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

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

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

tool url/palettes/new/37152e-c19fb4-79cb62-2d1f23-efe9f1?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