Color

#033a38

#033a38
hex#033a38
rgbrgb(3, 58, 56)
hslhsl(178, 90%, 12%)
oklchoklch(0.315 0.053 190.9)
Closest name: Rich Black (#004040)Relative luminance 0.0333

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3a0305

#033a1d · #03203a

#38033a · #3a3803

Split-complementary

Open in tool →

#3a0320 · #3a1d03

#1d033a · #3a0305 · #203a03

Contrast

#033a38 as textRatioAAAA largeAAAFix
Aaon white
12.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #07837f as the text (4.56:1)
  • AAA: use #09aaa4 as the text (7.3:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • AAA: or shift the background to #c2c2c2 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033a38 as the background.

Brands using this color

Fonts for this mood

#033a38 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033a38
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #033a38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033a38-a2bcbe-d45999-1f282d-e9f1ed?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