Color

#010c56

#010c56
hex#010c56
rgbrgb(1, 12, 86)
hslhsl(232, 98%, 17%)
oklchoklch(0.223 0.13 264.6)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0094

Colors that go with #010c56

Charcoal, Crimson 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.

Real palettes that use #010c56

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#564b01

#013756 · #200156

#56010c · #0c5601

Split-complementary

Open in tool →

#562001 · #375601

#560137 · #564b01 · #015620

Contrast

#010c56 as textRatioAAAA largeAAAFix
Aaon white
17.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #4e66fd as the text (4.64:1)
  • AAA: use #7c8dfe as the text (7.1:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010c56 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#010c56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010c56
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 #010c56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010c56-9c9dc4-df864e-231f2d-e9eef1?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