brandsweets

Color

#0115ef

#0115ef
hex#0115ef
rgbrgb(1, 21, 239)
hslhsl(235, 99%, 47%)
oklchoklch(0.439 0.292 264.2)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0677
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0115ef

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 #0115ef

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 →
0115efefdb01

#efdb01

Analogous

Open in tool →
0115ef018cef6401ef

#018cef · #6401ef

Triadic

Open in tool →
0115efef011515ef01

#ef0115 · #15ef01

Split-complementary

Open in tool →
0115efef64018cef01

#ef6401 · #8cef01

Tetradic

Open in tool →
0115efef018cefdb0101ef64

#ef018c · #efdb01 · #01ef64

Contrast

#0115ef as textRatioAAAA largeAAAFix
Aaon white
8.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #5865fe as the text (4.71:1)
  • AAA: use #808bfe as the text (7.04:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0115ef as the background.

Brands using this color

Fonts for this mood

#0115ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0115ef
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 #0115ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0115ef-9e9cc4-df8d4e-241f2d-e9eef1?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