Color

#03164e

#03164e
hex#03164e
rgbrgb(3, 22, 78)
hslhsl(225, 93%, 16%)
oklchoklch(0.232 0.106 263.8)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0114

Colors that go with #03164e

Blue Violet, Charcoal and Crimson 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 →

#4f3c03

#033c4f · #16034f

#4f0316 · #164f03

Split-complementary

Open in tool →

#4f1603 · #3c4f03

#4f033c · #4f3c03 · #034f16

Contrast

#03164e as textRatioAAAA largeAAAFix
Aaon white
17.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #3a6af8 as the text (4.6:1)
  • AAA: use #7093fa as the text (7.24:1)
  • AA: or shift the background to #858585 (4.63:1)
  • AAA: or shift the background to #a6a6a6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03164e as the background.

Brands using this color

Fonts for this mood

#03164e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03164e
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 #03164e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03164e-9ca1c4-df754e-221f2d-e9eff1?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