Color

#003838

#003838
hex#003838
rgbrgb(0, 56, 56)
hslhsl(180, 100%, 11%)
oklchoklch(0.308 0.053 194.8)
Closest name: Elite Teal (#133337)Relative luminance 0.0311

Tints & shades

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

Harmonies

Complementary

Open in tool →

#380000

#00381c · #001c38

#380038 · #383800

Split-complementary

Open in tool →

#38001c · #381c00

#1c0038 · #380000 · #1c3800

Contrast

#003838 as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #008585 as the text (4.69:1)
  • AAA: use #00a8a8 as the text (7.17:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003838 as the background.

Brands using this color

Fonts for this mood

#003838 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003838
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 #003838 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003838-a2bbbe-d45994-1f272d-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