Color
#37b4e1
#37b4e1rgb(55, 180, 225)hsl(196, 74%, 55%)oklch(0.722 0.124 227)Colors that go with #37b4e1
Charcoal, Denim 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #37b4e1: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDenim is paired with #37b4e1 in 4 real palettes, including Coca-Cola's brand system and Open House, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #37b4e1 in 5 real palettes, including Blue Mono and Ford's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #37b4e1 in 4 real palettes, including Cursor's brand system and Figma's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #37b4e1 in 9 real palettes, including Cursor's brand system and Astro's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Coral #ff7f50
complementaryCoral sits directly opposite #37b4e1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Goldenrod #daa520
split-complementshippedGoldenrod is a split-complement of #37b4e1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #37b4e1 in 3 real palettes, including Blueprint and NBA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #37b4e1
Tints & shades
Harmonies
Contrast
| #37b4e1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.39:1 | fail | fail | fail | |
Aaon black | 8.78:1 | 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 #37b4e1 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
#37b4e1 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 #37b4e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/37b4e1-9cb5c4-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