Color
#4dcfef
#4dcfefrgb(77, 207, 239)hsl(192, 84%, 62%)oklch(0.796 0.12 217.4)Colors that go with #4dcfef
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 #4dcfef: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #4dcfef 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 #4dcfef in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #4dcfef: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent.
Midnight Blue #191970
shipped6 real palettes, including Telehealth and Confluent's brand system put Midnight Blue beside #4dcfef, as the text colour against it.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #4dcfef: 5 real palettes, including Audible's brand system and Calendly's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4dcfef in 6 real palettes, including Telehealth and 1password's brand system, as the lead colour.
Slate Gray #708090
shipped4 real palettes, including Still Water and Dusty Blue put Slate Gray beside #4dcfef, as the lead colour.
Real palettes that use #4dcfef
Tints & shades
Harmonies
Contrast
| #4dcfef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.83:1 | fail | fail | fail | |
Aaon black | 11.49:1 | 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 #4dcfef as the background.
Brands using this color
Fonts for this mood
#4dcfef 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 #4dcfef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4dcfef-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