Color

#03383a

#03383a
hex#03383a
rgbrgb(3, 56, 58)
hslhsl(182, 90%, 12%)
oklchoklch(0.31 0.051 198.9)
Closest name: Elite Teal (#133337)Relative luminance 0.0315

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a0503

#033a20 · #031d3a

#3a0338 · #383a03

Split-complementary

Open in tool →

#3a031d · #3a2003

#20033a · #3a0503 · #1d3a03

Contrast

#03383a as textRatioAAAA largeAAAFix
Aaon white
12.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #078388 as the text (4.61:1)
  • AAA: use #09a9ae as the text (7.3:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03383a as the background.

Brands using this color

Fonts for this mood

#03383a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03383a
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 #03383a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03383a-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