Color

#103b46

#103b46
hex#103b46
rgbrgb(16, 59, 70)
hslhsl(192, 63%, 17%)
oklchoklch(0.328 0.05 218.2)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0368

Colors that go with #103b46

Crimson, Sienna 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 →

#471b10

#104736 · #102047

#47103c · #3c4710

Split-complementary

Open in tool →

#471020 · #473610

#361047 · #471b10 · #204710

Contrast

#103b46 as textRatioAAAA largeAAAFix
Aaon white
12.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #227f96 as the text (4.54:1)
  • AAA: use #2ba2bf as the text (7.02:1)
  • AA: or shift the background to #9e9e9e (4.51:1)
  • AAA: or shift the background to #c7c7c7 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #103b46 as the background.

Brands using this color

Fonts for this mood

#103b46 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103b46
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 #103b46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103b46-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