Color

#003b3d

#003b3d
hex#003b3d
rgbrgb(0, 59, 61)
hslhsl(182, 100%, 12%)
oklchoklch(0.32 0.054 198.5)
Closest name: Rich Black (#004040)Relative luminance 0.0346

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d0200

#003d21 · #001d3d

#3d003b · #3b3d00

Split-complementary

Open in tool →

#3d001d · #3d2100

#21003d · #3d0200 · #1d3d00

Contrast

#003b3d as textRatioAAAA largeAAAFix
Aaon white
12.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #00858a as the text (4.72:1)
  • AAA: use #00a8ad as the text (7.2:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (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 #003b3d as the background.

Brands using this color

Fonts for this mood

#003b3d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003b3d
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 #003b3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003b3d-a2babe-d45990-1f272d-e9f1ee?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