Color

#189edc

#189edc
hex#189edc
rgbrgb(24, 158, 220)
hslhsl(199, 80%, 48%)
oklchoklch(0.662 0.138 236.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2982

Colors that go with #189edc

Charcoal, Tomato and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc5618

#18dcb8 · #183cdc

#dc189e · #9edc18

Split-complementary

Open in tool →

#dc183c · #dcb818

#b818dc · #dc5618 · #3cdc18

Contrast

#189edc as textRatioAAAA largeAAAFix
Aaon white
3.02:1failpassfail
  • AA: use #137dae as the text (4.59:1)
  • AAA: use #0e5c81 as the text (7.33:1)
  • AA: or shift the background to #2e2e2e (4.5:1)
Aaon black
6.96:1passpassfail
  • AAA: use #19a2e1 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #189edc as the background.

Brands using this color

Fonts for this mood

#189edc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #189edc
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 #189edc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/189edc-9cb3c4-df4e66-1f232d-e9f1f0?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