# #ff1a21

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ff1a21`
- RGB: rgb(255, 26, 33)
- HSL: hsl(358, 100%, 55%)
- OKLCH: oklch(0.635 0.25 27.6)
- Relative luminance: 0.2211
- Nearest named color: red (#ff0000, Δ 1.249) — https://brandsweets.com/colors/red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ff1a21

## Tints & shades

- Tints (toward white): #ff2e35, #ff474e, #ff5c61, #ff7075, #ff8a8e, #ff9ea1, #ffb3b5, #ffc7c9, #ffe0e1, #fff5f5
- Shades (toward black): #ff0008, #e60008, #cc0007, #b30006, #990005, #7a0004, #610003, #470002, #2e0002, #140001

## Harmonies

- Complementary: #1afff7
- Analogous: #ff1a94, #ff851a
- Triadic: #21ff1a, #1a21ff
- Split-complementary: #1aff85, #1a94ff
- Tetradic: #94ff1a, #1afff7, #851aff

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

- On white (#ffffff): 3.87:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb0008 (4.63:1); AA: background → #171717 (4.63:1); AAA: text → #b30006 (7.19:1)
- On black (#000000): 5.42:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff6166 (7.15:1)

## Brands using this color

- **Paddle** — secondary #ff0000 (Δ 1.249) — https://brandsweets.com/colors/brands/paddle-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ff1a21-c49f9c-62cb95-2d251f-f1e9ed?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: "#ff1a21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.