Color

#011ce4

#011ce4
hex#011ce4
rgbrgb(1, 28, 228)
hslhsl(233, 99%, 45%)
oklchoklch(0.43 0.278 264.3)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0644

Colors that go with #011ce4

Charcoal, Crimson 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 →

#e4ca01

#018de4 · #5801e4

#e4011c · #1ce401

Split-complementary

Open in tool →

#e45801 · #8de401

#e4018d · #e4ca01 · #01e458

Contrast

#011ce4 as textRatioAAAA largeAAAFix
Aaon white
9.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #5266fe as the text (4.69:1)
  • AAA: use #808ffe as the text (7.28:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #011ce4 as the background.

Brands using this color

Fonts for this mood

#011ce4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #011ce4
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 #011ce4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/011ce4-9c9cc4-df884e-241f2d-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