brandsweets

Color

#0d18f2

#0d18f2
hex#0d18f2
rgbrgb(13, 24, 242)
hslhsl(237, 90%, 50%)
oklchoklch(0.447 0.293 265.1)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0715
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0d18f2

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 #0d18f2

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
0d18f2f2e70d

#f2e70d

Analogous

Open in tool →
0d18f20d8bf2740df2

#0d8bf2 · #740df2

Triadic

Open in tool →
0d18f2f20d1818f20d

#f20d18 · #18f20d

Split-complementary

Open in tool →
0d18f2f2740d8bf20d

#f2740d · #8bf20d

Tetradic

Open in tool →
0d18f2f20d8bf2e70d0df274

#f20d8b · #f2e70d · #0df274

Contrast

#0d18f2 as textRatioAAAA largeAAAFix
Aaon white
8.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #5a62f6 as the text (4.51:1)
  • AAA: use #868cf9 as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d18f2 as the background.

Brands using this color

Fonts for this mood

#0d18f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0d18f2
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 #0d18f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d18f2-9f9cc4-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