brandsweets

Color

#0c09ec

#0c09ec
hex#0c09ec
rgbrgb(12, 9, 236)
hslhsl(241, 93%, 48%)
oklchoklch(0.431 0.292 265)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0633
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0c09ec

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 #0c09ec

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 →
0c09ece8ec09

#e8ec09

Analogous

Open in tool →
0c09ec0977ec7e09ec

#0977ec · #7e09ec

Triadic

Open in tool →
0c09ecec0c0909ec0c

#ec0c09 · #09ec0c

Split-complementary

Open in tool →
0c09ecec7e0977ec09

#ec7e09 · #77ec09

Tetradic

Open in tool →
0c09ecec0977e8ec0909ec7e

#ec0977 · #e8ec09 · #09ec7e

Contrast

#0c09ec as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #6462f9 as the text (4.66:1)
  • AAA: use #8b89fb as the text (7.07:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c09ec as the background.

Brands using this color

Fonts for this mood

#0c09ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0c09ec
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 #0c09ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c09ec-a19cc4-df9b4e-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