# Burning Ultrablue (#150aec)

A named color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#150aec`
- RGB: rgb(21, 10, 236)
- HSL: hsl(243, 92%, 48%)
- OKLCH: oklch(0.434 0.29 266)
- Relative luminance: 0.0643
- Name: Burning Ultrablue (`burning-ultrablue`, source: list)
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/burning-ultrablue

## Tints & shades

- Tints (toward white): #2419f5, #3b31f6, #534af7, #6a62f8, #817bf9, #9893fb, #b0acfc, #c7c4fd, #deddfe, #f6f5ff
- Shades (toward black): #1309d7, #1108bf, #0f07ab, #0d0693, #0b057f, #0a046c, #070353, #060340, #040227, #020114

## Harmonies

- Complementary: #e0eb0a
- Analogous: #0a6feb, #860aeb
- Triadic: #eb150a, #0aeb15
- Split-complementary: #eb860a, #6feb0a
- Tetradic: #eb0a6f, #e0eb0a, #0aeb86

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 9.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6a62f8 (4.72:1); AA: background → #b8b8b8 (4.63:1); AAA: text → #8f89fa (7.13:1); AAA: background → #e3e3e3 (7.16:1)

## Brands using this color

- **Cargo** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/cargo-site
- **Dropbox** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/dropbox-com
- **Headspace** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/headspace-com
- **Instacart** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/instacart-com
- **MongoDB** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/mongodb-com
- **Monzo** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/monzo-com
- **Readymag** — secondary #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/readymag-com
- **Robinhood** — secondary #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/robinhood-com
- **Sketch** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/sketch-com
- **Spotify** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/spotify
- **Uber** — accent #0000ee (Δ 1.301) — https://brandsweets.com/colors/brands/uber-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/150aec-a39cc4-dfa04e-261f2d-e9edf1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#150aec" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.