Color

#189dcd

#189dcd
hex#189dcd
rgbrgb(24, 157, 205)
hslhsl(196, 79%, 45%)
oklchoklch(0.653 0.125 229.8)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2872

Colors that go with #189dcd

Charcoal, Amber and Midnight 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 #189dcd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd4818

#18cda3 · #1842cd

#cd189d · #9dcd18

Split-complementary

Open in tool →

#cd1842 · #cda318

#a318cd · #cd4818 · #42cd18

Contrast

#189dcd as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #137ea4 as the text (4.62:1)
  • AAA: use #0e5e7b as the text (7.23:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.74:1passpassfail
  • AAA: use #19a1d2 as the text (7.07:1)

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

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

tool url/palettes/new/189dcd-9cb5c4-df4e6e-1f232d-e9f1ef?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