Color

#0142e4

#0142e4
hex#0142e4
rgbrgb(1, 66, 228)
hslhsl(223, 99%, 45%)
oklchoklch(0.475 0.248 263.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.095

Colors that go with #0142e4

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 →

#e4a401

#01b3e4 · #3201e4

#e40142 · #42e401

Split-complementary

Open in tool →

#e43201 · #b3e401

#e401b3 · #e4a401 · #01e432

Contrast

#0142e4 as textRatioAAAA largeAAAFix
Aaon white
7.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #2f6afe as the text (4.61:1)
  • AAA: use #6792fe as the text (7.12:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0142e4 as the background.

Brands using this color

Fonts for this mood

#0142e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0142e4
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 #0142e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0142e4-9ca3c4-df704e-211f2d-e9eff1?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