Color

#033a34

#033a34
hex#033a34
rgbrgb(3, 58, 52)
hslhsl(173, 90%, 12%)
oklchoklch(0.314 0.054 183.4)
Closest name: Rich Black (#004040)Relative luminance 0.0329

Colors that go with #033a34

Sea Green, Sienna and Teal 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 →

#3a0309

#033a18 · #03253a

#34033a · #3a3403

Split-complementary

Open in tool →

#3a0325 · #3a1803

#18033a · #3a0309 · #253a03

Contrast

#033a34 as textRatioAAAA largeAAAFix
Aaon white
12.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #078374 as the text (4.51:1)
  • AAA: use #09aa97 as the text (7.21:1)
  • AA: or shift the background to #9c9c9c (4.61:1)
  • AAA: or shift the background to #c2c2c2 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033a34 as the background.

Brands using this color

Fonts for this mood

#033a34 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033a34
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 #033a34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033a34-a2bebe-d459a3-1f292d-e9f1ec?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