Color

#033a31

#033a31
hex#033a31
rgbrgb(3, 58, 49)
hslhsl(170, 90%, 12%)
oklchoklch(0.313 0.056 178.1)
Closest name: Botanical Night (#12403c)Relative luminance 0.0327

Colors that go with #033a31

Crimson, 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 →

#3a030c

#033a15 · #03283a

#31033a · #3a3103

Split-complementary

Open in tool →

#3a0328 · #3a1503

#15033a · #3a030c · #283a03

Contrast

#033a31 as textRatioAAAA largeAAAFix
Aaon white
12.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #078872 as the text (4.77:1)
  • AAA: use #09aa8f as the text (7.16:1)
  • AA: or shift the background to #9c9c9c (4.63:1)
  • AAA: or shift the background to #c2c2c2 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033a31 as the background.

Brands using this color

Fonts for this mood

#033a31 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033a31
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 #033a31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033a31-a2bebd-d459a9-1f292d-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