Color

#373d01

#373d01
hex#373d01
rgbrgb(55, 61, 1)
hslhsl(66, 97%, 12%)
oklchoklch(0.343 0.077 115.8)
Closest name: Dark Olive (#373e02)Relative luminance 0.0415

Colors that go with #373d01

Royal 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 →

#07013c

#3c2501 · #193c01

#01363c · #3c0136

Split-complementary

Open in tool →

#01193c · #25013c

#013c25 · #07013c · #3c0119

Contrast

#373d01 as textRatioAAAA largeAAAFix
Aaon white
11.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #717e02 as the text (4.69:1)
  • AAA: use #91a102 as the text (7.3:1)
  • AA: or shift the background to #a3a3a3 (4.55:1)
  • AAA: or shift the background to #cccccc (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #373d01 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

#373d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #373d01
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 #373d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/373d01-b8bea2-4e86df-262d1f-f1eee9?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