Color
#4bb2fb
#4bb2fbrgb(75, 178, 251)hsl(205, 96%, 64%)oklch(0.735 0.142 243.1)Colors that go with #4bb2fb
Charcoal, Dark Orange 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 #4bb2fb: softer than #000 and cool enough to feel like part of the same palette.
Dark Orange #ff8c00
complementaryshippedDark Orange sits directly opposite #4bb2fb 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 #4bb2fb in 5 real palettes, including Salesforce's brand system and NBA's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #4bb2fb: 6 real palettes, including Coca-Cola's brand system and Apple's brand system, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #4bb2fb in 4 real palettes, including Terminal and Telehealth, as the lead colour.
Midnight Blue #191970
shipped8 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #4bb2fb, as the lead colour.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #4bb2fb in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4bb2fb in 8 real palettes, including NBA's brand system and Webflow's brand system, as the supporting colour.
Real palettes that use #4bb2fb
Tints & shades
Harmonies
Contrast
| #4bb2fb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.32:1 | fail | fail | fail | |
Aaon black | 9.06:1 | 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 #4bb2fb as the background.
Brands using this color
Fonts for this mood
#4bb2fb 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 #4bb2fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4bb2fb-9cafc4-df4e58-1f212d-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