Color

#03016a

#03016a
hex#03016a
rgbrgb(3, 1, 106)
hslhsl(241, 98%, 21%)
oklchoklch(0.24 0.162 265.4)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0108

Colors that go with #03016a

Charcoal, Steel Blue and Cobalt 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 →

#686a01

#01346a · #37016a

#6a0301 · #016a03

Split-complementary

Open in tool →

#6a3701 · #346a01

#6a0134 · #686a01 · #016a37

Contrast

#03016a as textRatioAAAA largeAAAFix
Aaon white
17.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #6562fd as the text (4.72:1)
  • AAA: use #8d8bfe as the text (7.26:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03016a as the background.

Brands using this color

Fonts for this mood

#03016a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03016a
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 #03016a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03016a-a19cc4-df9b4e-261f2d-e9edf1?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