brandsweets

Color

#1c09ec

#1c09ec
hex#1c09ec
rgbrgb(28, 9, 236)
hslhsl(245, 93%, 48%)
oklchoklch(0.435 0.289 267)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.065
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #1c09ec

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 #1c09ec

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
1c09ecd9ec09

#d9ec09

Analogous

Open in tool →
1c09ec0967ec8d09ec

#0967ec · #8d09ec

Triadic

Open in tool →
1c09ecec1c0909ec1c

#ec1c09 · #09ec1c

Split-complementary

Open in tool →
1c09ecec8d0967ec09

#ec8d09 · #67ec09

Tetradic

Open in tool →
1c09ecec0967d9ec0909ec8d

#ec0967 · #d9ec09 · #09ec8d

Contrast

#1c09ec as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #6a5df9 as the text (4.55:1)
  • AAA: use #9289fb as the text (7.19:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c09ec as the background.

Brands using this color

Fonts for this mood

#1c09ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #1c09ec
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 #1c09ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c09ec-a49cc4-dfa54e-261f2d-e9ecf1?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