brandsweets

Color

#0f04ec

#0f04ec
hex#0f04ec
rgbrgb(15, 4, 236)
hslhsl(243, 97%, 47%)
oklchoklch(0.43 0.293 265.3)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0624
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0f04ec

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 #0f04ec

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
0f04ece0ec04

#e0ec04

Analogous

Open in tool →
0f04ec046cec8304ec

#046cec · #8304ec

Triadic

Open in tool →
0f04ecec0f0404ec0f

#ec0f04 · #04ec0f

Split-complementary

Open in tool →
0f04ecec83046cec04

#ec8304 · #6cec04

Tetradic

Open in tool →
0f04ecec046ce0ec0404ec83

#ec046c · #e0ec04 · #04ec83

Contrast

#0f04ec as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #665efd as the text (4.58:1)
  • AAA: use #918bfd as the text (7.32:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f04ec as the background.

Brands using this color

Fonts for this mood

#0f04ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0f04ec
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 #0f04ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f04ec-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