Color

#003738

#003738
hex#003738
rgbrgb(0, 55, 56)
hslhsl(181, 100%, 11%)
oklchoklch(0.305 0.052 196.8)
Closest name: Elite Teal (#133337)Relative luminance 0.0302

Tints & shades

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

Harmonies

Complementary

Open in tool →

#380100

#00381d · #001b38

#380037 · #373800

Split-complementary

Open in tool →

#38001b · #381d00

#1d0038 · #380100 · #1b3800

Contrast

#003738 as textRatioAAAA largeAAAFix
Aaon white
13.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #008285 as the text (4.53:1)
  • AAA: use #00abad as the text (7.43:1)
  • AA: or shift the background to #999999 (4.6:1)
  • AAA: or shift the background to #bfbfbf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003738 as the background.

Brands using this color

Fonts for this mood

#003738 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003738
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 #003738 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003738-a2babe-d45992-1f272d-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