Color

#373154

#373154
hex#373154
rgbrgb(55, 49, 84)
hslhsl(250, 26%, 26%)
oklchoklch(0.336 0.061 290.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0365

Colors that go with #373154

Dark Olive Green, Sea Green and Steel Blue 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 →

#4e5431

#313d54 · #483154

#543731 · #315437

Split-complementary

Open in tool →

#544831 · #3d5431

#54313d · #4e5431 · #315448

Contrast

#373154 as textRatioAAAA largeAAAFix
Aaon white
12.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #786eaa as the text (4.61:1)
  • AAA: use #9992bf as the text (7.22:1)
  • AA: or shift the background to #9e9e9e (4.53:1)
  • AAA: or shift the background to #c7c7c7 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #373154 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

#373154 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #373154
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 #373154 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/373154-a79cc4-dfb14e-281f2d-e9ecf1?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