Color
#189fb4
#189fb4rgb(24, 159, 180)hsl(188, 76%, 40%)oklch(0.646 0.108 211.8)Colors that go with #189fb4
Charcoal, Orange Red and Crimson 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #189fb4: softer than #000 and cool enough to feel like part of the same palette.
Orange Red #ff4500
complementaryshippedOrange Red sits directly opposite #189fb4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #189fb4 in 6 real palettes, including Diner and Redfin's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #189fb4: 4 real palettes, including Telegram's brand system and Snowflake AI Data Cloud's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #189fb4: 7 real palettes, including Gopro's brand system and Peacock, as the lead colour.
Midnight Blue #191970
shipped11 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #189fb4, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #189fb4 in 4 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #189fb4 in 8 real palettes, including Still Water and Rain Garden, as that palette's text colour.
Real palettes that use #189fb4
Tints & shades
Harmonies
Contrast
| #189fb4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.15:1 | fail | pass | fail | |
Aaon black | 6.66:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #189fb4 as the background.
Brands using this color
Fonts for this mood
#189fb4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #189fb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/189fb4-a2b7be-df4e81-1f252d-e9f1ee?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md