Color

#010379

#010379
hex#010379
rgbrgb(1, 3, 121)
hslhsl(239, 98%, 24%)
oklchoklch(0.264 0.178 264.5)
Closest name: Deep Blue (#040273)Relative luminance 0.0145

Colors that go with #010379

Crimson, Steel Blue and Charcoal 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 →

#797701

#013f79 · #3b0179

#790103 · #037901

Split-complementary

Open in tool →

#793b01 · #3f7901

#79013f · #797701 · #01793b

Contrast

#010379 as textRatioAAAA largeAAAFix
Aaon white
16.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #5d60fd as the text (4.56:1)
  • AAA: use #8b8dfe as the text (7.34:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (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 #010379 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#010379 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010379
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 #010379 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010379-a09cc4-df964e-251f2d-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