brandsweets

Color

#0f1aeb

#0f1aeb
hex#0f1aeb
rgbrgb(15, 26, 235)
hslhsl(237, 88%, 49%)
oklchoklch(0.439 0.284 265.3)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0684
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0f1aeb

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 #0f1aeb

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
0f1aebebe00f

#ebe00f

Analogous

Open in tool →
0f1aeb0f88eb720feb

#0f88eb · #720feb

Triadic

Open in tool →
0f1aebeb0f1a1aeb0f

#eb0f1a · #1aeb0f

Split-complementary

Open in tool →
0f1aebeb720f88eb0f

#eb720f · #88eb0f

Tetradic

Open in tool →
0f1aebeb0f88ebe00f0feb72

#eb0f88 · #ebe00f · #0feb72

Contrast

#0f1aeb as textRatioAAAA largeAAAFix
Aaon white
8.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #5c64f5 as the text (4.6:1)
  • AAA: use #878df7 as the text (7.18:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f1aeb as the background.

Brands using this color

Fonts for this mood

#0f1aeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0f1aeb
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 #0f1aeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f1aeb-9f9cc4-df924e-251f2d-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