Color

#103570

#103570
hex#103570
rgbrgb(16, 53, 112)
hslhsl(217, 75%, 25%)
oklchoklch(0.341 0.111 259.6)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0383

Colors that go with #103570

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 →

#704b10

#106470 · #1b1070

#701035 · #357010

Split-complementary

Open in tool →

#701b10 · #647010

#701064 · #704b10 · #10701b

Contrast

#103570 as textRatioAAAA largeAAAFix
Aaon white
11.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #2d72e1 as the text (4.61:1)
  • AAA: use #6396e9 as the text (7.07:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #103570 as the background.

Brands using this color

Fonts for this mood

#103570 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103570
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 #103570 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103570-9ca7c4-df624e-201f2d-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