Color

#0156df

#0156df
hex#0156df
rgbrgb(1, 86, 223)
hslhsl(217, 99%, 44%)
oklchoklch(0.505 0.22 261.2)
Closest name: Denim (#1560bd)Relative luminance 0.1199

Colors that go with #0156df

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 →

#df8a01

#01c5df · #1b01df

#df0156 · #56df01

Split-complementary

Open in tool →

#df1b01 · #c5df01

#df01c5 · #df8a01 · #01df1b

Contrast

#0156df as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #014ecb as the text (7.11:1)
Aaon black
3.4:1failpassfail
  • AA: use #106bfe as the text (4.56:1)
  • AAA: use #5294fe as the text (7.03:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0156df as the background.

Brands using this color

Fonts for this mood

#0156df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0156df
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 #0156df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0156df-9ca7c4-df624e-201f2d-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