Color

#104d56

#104d56
hex#104d56
rgbrgb(16, 77, 86)
hslhsl(188, 69%, 20%)
oklchoklch(0.387 0.061 209.6)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0609

Tints & shades

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

Harmonies

Complementary

Open in tool →

#561910

#10563c · #102a56

#56104d · #4d5610

Split-complementary

Open in tool →

#56102a · #563c10

#3c1056 · #561910 · #2a5610

Contrast

#104d56 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #1b8393 as the text (4.71:1)
  • AAA: use #22a5b9 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (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 #104d56 as the background.

Brands using this color

Fonts for this mood

#104d56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104d56
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 #104d56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104d56-a2b7be-df4e81-1f252d-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