# #291efa

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

## Values

- Hex: `#291efa`
- RGB: rgb(41, 30, 250)
- HSL: hsl(243, 96%, 55%)
- OKLCH: oklch(0.469 0.293 268.6)
- Relative luminance: 0.083
- Nearest named color: Bluebonnet (#1c1cf0, Δ 2.147) — https://brandsweets.com/colors/bluebonnet
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/291efa

## Tints & shades

- Tints (toward white): #3c32fb, #544bfb, #675ffc, #7a73fc, #928cfd, #a5a0fd, #b8b4fd, #cbc8fe, #e2e1fe, #f5f5ff
- Shades (toward black): #1105fa, #1005e1, #0e04c8, #0c04af, #0a0396, #080278, #07025f, #050146, #03012d, #010014

## Harmonies

- Complementary: #effa1e
- Analogous: #1e81fa, #971efa
- Triadic: #fa291e, #1efa29
- Split-complementary: #fa971e, #81fa1e
- Tetradic: #fa1e81, #effa1e, #1efa97

## Colors that go with #291efa

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #291efa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #291efa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #291efa: 10 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the accent. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #291efa: 4 real palettes, including Qualcomm's brand system and Canva's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #291efa: 6 real palettes, including Activision's brand system and Pixar's brand system, as the supporting colour. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #291efa: 7 real palettes, including Unity's brand system and Cargo's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #291efa in 5 real palettes, including Unity's brand system and Spotify's brand system, as the accent. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Penpot's brand system and Monzo's brand system put Midnight Blue beside #291efa, as the lead colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 7.89:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #675ffc (4.62:1); AA: background → #c4c4c4 (4.53:1); AAA: text → #8d87fd (7.02:1); AAA: background → #f2f2f2 (7.05:1)

## Brands using this color

- **Warp** — secondary #2a1eff (Δ 0.809) — https://brandsweets.com/colors/brands/warp-dev
- **EA** — secondary #2b00ff (Δ 1.463) — https://brandsweets.com/colors/brands/ea-com
- **Pfizer** — secondary #2e29ff (Δ 1.712) — https://brandsweets.com/colors/brands/pfizer-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/291efa-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: "#291efa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.