Color

#03383f

#03383f
hex#03383f
rgbrgb(3, 56, 63)
hslhsl(187, 91%, 13%)
oklchoklch(0.313 0.052 208.8)
Closest name: Elite Teal (#133337)Relative luminance 0.0321

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f0a03

#033f28 · #031a3f

#3f0338 · #383f03

Split-complementary

Open in tool →

#3f031a · #3f2803

#28033f · #3f0a03 · #1a3f03

Contrast

#03383f as textRatioAAAA largeAAAFix
Aaon white
12.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #078292 as the text (4.62:1)
  • AAA: use #09a5b9 as the text (7.09:1)
  • AA: or shift the background to #9c9c9c (4.66:1)
  • AAA: or shift the background to #c2c2c2 (7.18:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/03383f-a2b8be-df4e83-1f262d-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