Color
#3fc7e9
#3fc7e9rgb(63, 199, 233)hsl(192, 79%, 58%)oklch(0.772 0.123 218.4)Colors that go with #3fc7e9
Charcoal, Dark Salmon 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 #3fc7e9: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #3fc7e9 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 #3fc7e9 in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3fc7e9: 4 real palettes, including UEFA's brand system and Venmo's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #3fc7e9: 4 real palettes, including Patreon's brand system and Figma's brand system, as the accent.
Midnight Blue #191970
shipped9 real palettes, including Telehealth and Confluent's brand system put Midnight Blue beside #3fc7e9, as the text colour against it.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #3fc7e9 in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #3fc7e9: 4 real palettes, including Calendly's brand system and First Snow, as the accent.
Real palettes that use #3fc7e9
Tints & shades
Harmonies
Contrast
| #3fc7e9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.99:1 | fail | fail | fail | |
Aaon black | 10.56:1 | 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 #3fc7e9 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
#3fc7e9 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 #3fc7e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3fc7e9-a2b5be-df4e77-1f242d-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