Color

#073d40

#073d40
hex#073d40
rgbrgb(7, 61, 64)
hslhsl(183, 80%, 14%)
oklchoklch(0.329 0.052 200.7)
Closest name: Rich Black (#004040)Relative luminance 0.0375

Colors that go with #073d40

Crimson, Sea Green and Sienna 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 →

#400a07

#074027 · #072140

#40073d · #3d4007

Split-complementary

Open in tool →

#400721 · #402707

#270740 · #400a07 · #214007

Contrast

#073d40 as textRatioAAAA largeAAAFix
Aaon white
12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #0f848a as the text (4.69:1)
  • AAA: use #13a7ae as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #073d40 as the background.

Brands using this color

Fonts for this mood

#073d40 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #073d40
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 #073d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/073d40-a2b9be-d4598e-1f262d-e9f1ee?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