# #4291ff

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

## Values

- Hex: `#4291ff`
- RGB: rgb(66, 145, 255)
- HSL: hsl(215, 100%, 63%)
- OKLCH: oklch(0.663 0.181 257.4)
- Relative luminance: 0.2863
- Nearest named color: dodgerblue (#1e90ff, Δ 1.963) — https://brandsweets.com/colors/dodgerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4291ff

## Tints & shades

- Tints (toward white): #579dff, #66a6ff, #7ab2ff, #8abbff, #9ec6ff, #adcfff, #c2dbff, #d1e4ff, #e5f0ff, #f5f9ff
- Shades (toward black): #247fff, #056dff, #0060e6, #0053c7, #0048ad, #003b8f, #002f70, #002252, #001533, #000814

## Harmonies

- Complementary: #ffb042
- Analogous: #42efff, #5242ff
- Triadic: #ff4291, #91ff42
- Split-complementary: #ff5242, #efff42
- Tetradic: #ff42ef, #ffb042, #42ff52

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

- On white (#ffffff): 3.12:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #056dff (4.53:1); AA: background → #2b2b2b (4.53:1); AAA: text → #0051c2 (7.1:1)
- On black (#000000): 6.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4d97ff (7.19:1)

## 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/4291ff-9ca8c4-df5d4e-201f2d-e9f0f1?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: "#4291ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.