Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#2fc3f9
#2fc3f9
hex
#2fc3f9rgb
rgb(47, 195, 249)hsl
hsl(196, 94%, 58%)oklch
oklch(0.766 0.14 228.6)Closest name: deepskyblue (#00bfff)Relative luminance 0.4647
Colors that go with #2fc3f9
Charcoal, Dodger Blue 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 #2fc3f9: softer than #000 and cool enough to feel like part of the same palette.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #2fc3f9: 4 real palettes, including Figma's brand system and Patreon's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Kraken's brand system and Telehealth put Midnight Blue beside #2fc3f9, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #2fc3f9 in 7 real palettes, including 1password's brand system and NBA's brand system, as the accent.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #2fc3f9: 4 real palettes, including Astro's brand system and Deep Water, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #2fc3f9 in 7 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it.
Coral #ff7f50
complementaryCoral sits directly opposite #2fc3f9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #2fc3f9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #2fc3f9
Tints & shades
Harmonies
Contrast
| #2fc3f9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.04:1 | fail | fail | fail | |
Aaon black | 10.29:1 | 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 #2fc3f9 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#2fc3f9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2fc3f9
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #2fc3f9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2fc3f9-9cb5c4-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