Color

#104b98

#104b98
hex#104b98
rgbrgb(16, 75, 152)
hslhsl(214, 81%, 33%)
oklchoklch(0.424 0.139 257.5)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0741

Colors that go with #104b98

Charcoal, Crimson and Steel 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 →

#985d10

#108f98 · #191098

#98104b · #4b9810

Split-complementary

Open in tool →

#981910 · #8f9810

#98108f · #985d10 · #109819

Contrast

#104b98 as textRatioAAAA largeAAAFix
Aaon white
8.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #1872e7 as the text (4.6:1)
  • AAA: use #5999ee as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.5:1)
  • AAA: or shift the background to #ebebeb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #104b98 as the background.

Brands using this color

Fonts for this mood

#104b98 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104b98
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 #104b98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104b98-9ca9c4-df5a4e-1f1f2d-e9f0f1?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