brandsweets

Color

#0b04ec

#0b04ec
hex#0b04ec
rgbrgb(11, 4, 236)
hslhsl(242, 97%, 47%)
oklchoklch(0.429 0.293 264.9)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0621
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0b04ec

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 #0b04ec

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
0b04ece4ec04

#e4ec04

Analogous

Open in tool →
0b04ec0470ec8004ec

#0470ec · #8004ec

Triadic

Open in tool →
0b04ecec0b0404ec0b

#ec0b04 · #04ec0b

Split-complementary

Open in tool →
0b04ecec800470ec04

#ec8004 · #70ec04

Tetradic

Open in tool →
0b04ecec0470e4ec0404ec80

#ec0470 · #e4ec04 · #04ec80

Contrast

#0b04ec as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #645efd as the text (4.56:1)
  • AAA: use #8f8bfd as the text (7.28:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b04ec as the background.

Brands using this color

Fonts for this mood

#0b04ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0b04ec
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 #0b04ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b04ec-a29cc4-df9e4e-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