Color
#3997ea
#3997eargb(57, 151, 234)hsl(208, 81%, 57%)oklch(0.66 0.151 249)Colors that go with #3997ea
Charcoal, Bronze and Terracotta 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 #3997ea: softer than #000 and cool enough to feel like part of the same palette.
Bronze #cd7f32
complementaryBronze sits directly opposite #3997ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Terracotta #e2725b
split-complementshippedTerracotta is a split-complement of #3997ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #3997ea in 3 real palettes, including Heatwave and Blueprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #3997ea in 3 real palettes, including Blue Mono and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #3997ea in 3 real palettes, including Calendly's brand system and First Snow, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #3997ea in 3 real palettes, including Notion's brand system and Dusk, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #3997ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #3997ea
Tints & shades
Harmonies
Contrast
| #3997ea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.09:1 | fail | pass | fail | |
Aaon black | 6.79:1 | 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 #3997ea 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
#3997ea 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 #3997ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3997ea-9cadc4-df4e51-1f212d-e9f1f1?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