brandsweets

Color

#1809ec

#1809ec
hex#1809ec
rgbrgb(24, 9, 236)
hslhsl(244, 93%, 48%)
oklchoklch(0.434 0.29 266.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0645
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #1809ec

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 #1809ec

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 →
1809ecddec09

#ddec09

Analogous

Open in tool →
1809ec096bec8a09ec

#096bec · #8a09ec

Triadic

Open in tool →
1809ecec180909ec18

#ec1809 · #09ec18

Split-complementary

Open in tool →
1809ecec8a096bec09

#ec8a09 · #6bec09

Tetradic

Open in tool →
1809ecec096bddec0909ec8a

#ec096b · #ddec09 · #09ec8a

Contrast

#1809ec as textRatioAAAA largeAAAFix
Aaon white
9.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #675df9 as the text (4.51:1)
  • AAA: use #9089fb as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1809ec as the background.

Brands using this color

Fonts for this mood

#1809ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #1809ec
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 #1809ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1809ec-a39cc4-dfa24e-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