Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Color
#05b5fa
#05b5fa
hex
#05b5fargb
rgb(5, 181, 250)hsl
hsl(197, 96%, 50%)oklch
oklch(0.73 0.154 235.1)Closest name: deepskyblue (#00bfff)Relative luminance 0.3998
Colors that go with #05b5fa
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 #05b5fa: softer than #000 and cool enough to feel like part of the same palette.
Dark Orange #ff8c00
complementaryshippedDark Orange sits directly opposite #05b5fa 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 #05b5fa in 4 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.
Royal Blue #4169e1
shippedRoyal Blue is paired with #05b5fa in 4 real palettes, including NBA's brand system and Webflow's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #05b5fa in 6 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Amber #ffbf00
shippedAmber is paired with #05b5fa in 3 real palettes, including Blueprint and NBA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue Violet #8a2be2
shippedBlue Violet is paired with #05b5fa 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.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #05b5fa in 3 real palettes, including Terminal and Telehealth, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #05b5fa
Tints & shades
Harmonies
Contrast
| #05b5fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.33:1 | fail | fail | fail | |
Aaon black | 9:1 | 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 #05b5fa as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#05b5fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #05b5fa
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 #05b5fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/05b5fa-9cb4c4-df4e6b-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