Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Color
#2bb3ee
#2bb3ee
hex
#2bb3eergb
rgb(43, 179, 238)hsl
hsl(198, 85%, 55%)oklch
oklch(0.723 0.139 233.1)Closest name: Blue Bikini (#00bbee)Relative luminance 0.3893
Colors that go with #2bb3ee
Charcoal, Dark Orange 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 #2bb3ee: softer than #000 and cool enough to feel like part of the same palette.
Dark Orange #ff8c00
complementaryshippedDark Orange sits directly opposite #2bb3ee on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #2bb3ee in 5 real palettes, including Blue Mono and Ford's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #2bb3ee in 6 real palettes, including Cursor's brand system and Astro's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
split-complementshippedGoldenrod is a split-complement of #2bb3ee: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
shippedBlue Violet is paired with #2bb3ee in 3 real palettes, including Render's brand system and Circuit, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #2bb3ee in 3 real palettes, including Coca-Cola's brand system and Open House, as the accent — a combination designers have actually shipped, not a computed rotation.
Light Sea Green #20b2aa
analogousshippedLight Sea Green is #2bb3ee's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #2bb3ee
Tints & shades
Harmonies
Contrast
| #2bb3ee as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.39:1 | fail | fail | fail | |
Aaon black | 8.79:1 | 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 #2bb3ee as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#2bb3ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2bb3ee
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 #2bb3ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2bb3ee-9cb3c4-df4e69-1f232d-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