Color

#37396d

#37396d
hex#37396d
rgbrgb(55, 57, 109)
hslhsl(238, 33%, 32%)
oklchoklch(0.37 0.088 279.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0484

Colors that go with #37396d

Steel Blue, Blue and Blush Pink 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 →

#6d6b37

#37536d · #50376d

#6d3738 · #386d37

Split-complementary

Open in tool →

#6d5037 · #536d37

#6d3753 · #6d6b37 · #376d50

Contrast

#37396d as textRatioAAAA largeAAAFix
Aaon white
10.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #6d70b6 as the text (4.64:1)
  • AAA: use #8f91c7 as the text (7.04:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37396d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #37396d
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 #37396d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37396d-9f9cc4-df944e-251f2d-e9edf1?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