Color

#004be0

#004be0
hex#004be0
rgbrgb(0, 75, 224)
hslhsl(220, 100%, 44%)
oklchoklch(0.486 0.234 262.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1041

Colors that go with #004be0

Charcoal, Crimson and Amber 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 →

#e09600

#00bbe0 · #2500e0

#e0004b · #4be000

Split-complementary

Open in tool →

#e02500 · #bbe000

#e000bb · #e09600 · #00e025

Contrast

#004be0 as textRatioAAAA largeAAAFix
Aaon white
6.81:1passpassfail
  • AAA: use #0049db as the text (7.06:1)
Aaon black
3.08:1failpassfail
  • AA: use #1f69ff as the text (4.52:1)
  • AAA: use #5c92ff as the text (7.01:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004be0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#004be0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004be0
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 #004be0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004be0-9ca5c4-df694e-211f2d-e9f0f1?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