Color

#104451

#104451
hex#104451
rgbrgb(16, 68, 81)
hslhsl(192, 67%, 19%)
oklchoklch(0.36 0.057 218.4)
Closest name: Cold and Dark (#154250)Relative luminance 0.0484

Tints & shades

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

Harmonies

Complementary

Open in tool →

#511d10

#10513d · #102351

#511044 · #445110

Split-complementary

Open in tool →

#511023 · #513d10

#3d1051 · #511d10 · #235110

Contrast

#104451 as textRatioAAAA largeAAAFix
Aaon white
10.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #1e8199 as the text (4.66:1)
  • AAA: use #27a4c4 as the text (7.19:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #104451 as the background.

Brands using this color

Fonts for this mood

#104451 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104451
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 #104451 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104451-a2b5be-df4e77-1f242d-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