Color

#104151

#104151
hex#104151
rgbrgb(16, 65, 81)
hslhsl(195, 67%, 19%)
oklchoklch(0.351 0.057 224.2)
Closest name: Cold and Dark (#154250)Relative luminance 0.0448

Tints & shades

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

Harmonies

Complementary

Open in tool →

#512010

#105141 · #102051

#511041 · #415110

Split-complementary

Open in tool →

#511020 · #514110

#411051 · #512010 · #205110

Contrast

#104151 as textRatioAAAA largeAAAFix
Aaon white
11.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #1f7e9e as the text (4.54:1)
  • AAA: use #28a3cc as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (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 #104151 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#104151 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104151
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 #104151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104151-9cb5c4-df4e70-1f242d-e9f1ef?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