brandsweets

Color

#0d01ef

#0d01ef
hex#0d01ef
rgbrgb(13, 1, 239)
hslhsl(243, 99%, 47%)
oklchoklch(0.433 0.296 265.1)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0634
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0d01ef

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.

Real palettes that use #0d01ef

Alaska Airlines· brandBBC· brandBinance· brandBurger King· brand

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →
0d01efe3ef01

#e3ef01

Analogous

Open in tool →
0d01ef016cef8401ef

#016cef · #8401ef

Triadic

Open in tool →
0d01efef0d0101ef0d

#ef0d01 · #01ef0d

Split-complementary

Open in tool →
0d01efef84016cef01

#ef8401 · #6cef01

Tetradic

Open in tool →
0d01efef016ce3ef0101ef84

#ef016c · #e3ef01 · #01ef84

Contrast

#0d01ef as textRatioAAAA largeAAAFix
Aaon white
9.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #655dfe as the text (4.55:1)
  • AAA: use #908afe as the text (7.25:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d01ef as the background.

Brands using this color

Fonts for this mood

#0d01ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0d01ef
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 #0d01ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d01ef-a39cc4-dfa04e-261f2d-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