Color

#37233e

#37233e
hex#37233e
rgbrgb(55, 35, 62)
hslhsl(284, 28%, 19%)
oklchoklch(0.293 0.055 317)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0236

Colors that go with #37233e

Charcoal, Dark Olive Green and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a3e23

#29233e · #3e2338

#3e3723 · #233e37

Split-complementary

Open in tool →

#383e23 · #233e29

#3e2923 · #2a3e23 · #23383e

Contrast

#37233e as textRatioAAAA largeAAAFix
Aaon white
14.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #9562a7 as the text (4.58:1)
  • AAA: use #af89bd as the text (7.14:1)
  • AA: or shift the background to #919191 (4.53:1)
  • AAA: or shift the background to #b8b8b8 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37233e 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

#37233e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37233e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37233e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37233e-bc9fc1-b1cb62-2d1f2b-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