Color
#3198dd
#3198ddrgb(49, 152, 221)hsl(204, 72%, 53%)oklch(0.653 0.138 243)Colors that go with #3198dd
Charcoal, Orange Red 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #3198dd: softer than #000 and cool enough to feel like part of the same palette.
Orange Red #ff4500
split-complementshippedOrange Red is a split-complement of #3198dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #3198dd in 10 real palettes, including Heatwave and Salesforce's brand system, as the supporting colour.
Blue #0000ff
shipped8 real palettes, including Unity's brand system and Qualcomm's brand system put Blue beside #3198dd, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #3198dd: 6 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #3198dd in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #3198dd: 6 real palettes, including Figma's brand system and Patreon's brand system.
Denim #1560bd
shippedDesigners have shipped Denim with #3198dd: 14 real palettes, including Gopro's brand system and Apple's brand system, as the lead colour.
Real palettes that use #3198dd
Tints & shades
Harmonies
Contrast
| #3198dd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.15:1 | fail | pass | fail | |
Aaon black | 6.67:1 | 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 #3198dd as the background.
Brands using this color
Fonts for this mood
#3198dd 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 #3198dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3198dd-9cafc4-df4e5a-1f222d-e9f1f0?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