Color

#103c46

#103c46
hex#103c46
rgbrgb(16, 60, 70)
hslhsl(191, 63%, 17%)
oklchoklch(0.331 0.05 215.9)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0378

Colors that go with #103c46

Crimson, Steel Blue 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 →

#471a10

#104735 · #102147

#47103d · #3d4710

Split-complementary

Open in tool →

#471021 · #473510

#351047 · #471a10 · #214710

Contrast

#103c46 as textRatioAAAA largeAAAFix
Aaon white
11.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #228096 as the text (4.6:1)
  • AAA: use #2ba4bf as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.63:1)
  • AAA: or shift the background to #c7c7c7 (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 #103c46 as the background.

Brands using this color

Fonts for this mood

#103c46 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103c46
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 #103c46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103c46-a2b6be-df4e7a-1f252d-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