Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Brand color
PostHog Secondary
#2f80fa
hex
#2f80fargb
rgb(47, 128, 250)hsl
hsl(216, 95%, 58%)oklch
oklch(0.618 0.198 259)From PostHog brand colorsRelative luminance 0.2294
PostHog Secondary on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 7 public brands that use it and the palettes it appears in.
Colors that go with PostHog Secondary
Charcoal, Crimson and Copper 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 PostHog Secondary: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with PostHog Secondary — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Copper #b87333
complementaryshippedCopper sits directly opposite PostHog Secondary 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 PostHog Secondary in 10 real palettes, including Google's brand system and Heatwave, as the accent.
Blue #0000ff
shipped13 real palettes, including Cargo's brand system and Samsung's brand system put Blue beside PostHog Secondary, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with PostHog Secondary: 11 real palettes, including Carrefour's brand system and Behance's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with PostHog Secondary: 10 real palettes, including Venmo's brand system and Patreon's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with PostHog Secondary: 17 real palettes, including Coursera's brand system and Venmo's brand system, as the accent.
Real palettes that use PostHog Secondary
Tints & shades
Harmonies
Contrast
| PostHog Secondary as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.76:1 | fail | pass | fail | |
Aaon black | 5.59:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with PostHog Secondary as the background.
Brands using this color
Palettes built around it
Fonts for this mood
PostHog Secondary reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around PostHog Secondary
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 #2f80fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2f80fa-9ca7c4-df5f4e-201f2d-e9f0f1?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