Color

#104a5b

#104a5b
hex#104a5b
rgbrgb(16, 74, 91)
hslhsl(194, 70%, 21%)
oklchoklch(0.382 0.063 222.3)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0576

Colors that go with #104a5b

Crimson, Denim and Teal 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 →

#5b2210

#105b47 · #10245b

#5b104a · #4a5b10

Split-complementary

Open in tool →

#5b1024 · #5b4710

#47105b · #5b2210 · #245b10

Contrast

#104a5b as textRatioAAAA largeAAAFix
Aaon white
9.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #1c7e9c as the text (4.51:1)
  • AAA: use #24a5cc as the text (7.33:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #104a5b 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

#104a5b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104a5b
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 #104a5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104a5b-9cb6c4-df4e72-1f242d-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