Color

#104b50

#104b50
hex#104b50
rgbrgb(16, 75, 80)
hslhsl(185, 67%, 19%)
oklchoklch(0.379 0.058 203.5)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0572

Colors that go with #104b50

Crimson, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#511510

#105136 · #102b51

#51104c · #4c5110

Split-complementary

Open in tool →

#51102b · #513610

#361051 · #511510 · #2b5110

Contrast

#104b50 as textRatioAAAA largeAAAFix
Aaon white
9.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #1c838d as the text (4.68:1)
  • AAA: use #23a7b3 as the text (7.25:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #104b50 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#104b50 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104b50
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #104b50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104b50-a2b8be-df4e88-1f262d-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