Color
#19b3eb
#19b3ebrgb(25, 179, 235)hsl(196, 84%, 51%)oklch(0.719 0.14 230.5)Colors that go with #19b3eb
Charcoal, Amber and Dark Orange 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 #19b3eb: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #19b3eb in 5 real palettes, including Salesforce's brand system and Blueprint, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #19b3eb in 4 real palettes, including Learning App and Elastic's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #19b3eb: 7 real palettes, including Venmo's brand system and Coca-Cola's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #19b3eb: 4 real palettes, including Figma's brand system and Venmo's brand system, as the accent.
Midnight Blue #191970
shipped8 real palettes, including Kraken's brand system and Confluent's brand system put Midnight Blue beside #19b3eb, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #19b3eb in 4 real palettes, including Figma's brand system and Cursor's brand system, as the lead colour.
Coral #ff7f50
complementaryCoral sits directly opposite #19b3eb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #19b3eb
Tints & shades
Harmonies
Contrast
| #19b3eb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.42:1 | fail | fail | fail | |
Aaon black | 8.69:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19b3eb as the background.
Brands using this color
Fonts for this mood
#19b3eb 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 #19b3eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/19b3eb-9cb5c4-df4e6e-1f232d-e9f1ef?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