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
#4ebcef
#4ebcef
hex
#4ebcefrgb
rgb(78, 188, 239)hsl
hsl(199, 83%, 62%)oklch
oklch(0.753 0.123 231.8)Closest name: Blue Bikini (#00bbee)Relative luminance 0.4382
Colors that go with #4ebcef
Charcoal, Dark Salmon 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 #4ebcef: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #4ebcef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #4ebcef in 4 real palettes, including Blueprint and Salesforce's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #4ebcef in 4 real palettes, including Learning App and PayPal's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #4ebcef in 6 real palettes, including Coca-Cola's brand system and UEFA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #4ebcef in 8 real palettes, including Kraken's brand system and Blue Mono, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Periwinkle #ccccff
shippedPeriwinkle is paired with #4ebcef in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #4ebcef in 4 real palettes, including Calendly's brand system and First Snow, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #4ebcef
Tints & shades
Harmonies
Contrast
| #4ebcef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.15:1 | fail | fail | fail | |
Aaon black | 9.76:1 | 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 #4ebcef as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#4ebcef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #4ebcef
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 #4ebcef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/4ebcef-9cb3c4-df4e66-1f232d-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