# #2f66ca

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

## Values

- Hex: `#2f66ca`
- RGB: rgb(47, 102, 202)
- HSL: hsl(219, 62%, 49%)
- OKLCH: oklch(0.53 0.166 261.2)
- Relative luminance: 0.1437
- Nearest named color: God of Rain (#4466cc, Δ 2.001) — https://brandsweets.com/colors/god-of-rain
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2f66ca

## Tints & shades

- Tints (toward white): #4174d2, #5683d7, #6a92dc, #7fa1e1, #94b0e6, #a4bcea, #b9ccef, #cddbf3, #e2eaf8, #f7f9fd
- Shades (toward black): #2c5dba, #2753a5, #234b95, #1e4080, #1a3870, #152e5b, #11254a, #0d1b36, #091325, #040811

## Harmonies

- Complementary: #ca942f
- Analogous: #2fb3ca, #472fca
- Triadic: #ca2f66, #66ca2f
- Split-complementary: #ca472f, #b3ca2f
- Tetradic: #ca2fb3, #ca942f, #2fca47

## Colors that go with #2f66ca

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 #2f66ca: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #2f66ca — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2f66ca on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #2f66ca in 10 real palettes, including Wikipedia's brand system and Warner Bros.'s brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), NBA (https://brandsweets.com/colors/brands/nba-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Pixar's brand system and Activision's brand system put Blue beside #2f66ca, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2f66ca: 13 real palettes, including Unilever's brand system and Intel's brand system, as the lead colour. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Intel (https://brandsweets.com/colors/brands/intel-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2f66ca: 7 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #2f66ca in 19 real palettes, including Pizza Hut's brand system and Netflix's brand system, as the supporting colour. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 5.42:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2855a9 (7.09:1)
- On black (#000000): 3.87:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4174d2 (4.65:1); AA: background → #ebebeb (4.55:1); AAA: text → #6e95dd (7.01:1)

## Brands using this color

- **Wikipedia** — secondary #3366cc (Δ 0.467) — https://brandsweets.com/colors/brands/wikipedia-org
- **Fitbit** — secondary #1967d2 (Δ 1.696) — https://brandsweets.com/colors/brands/fitbit-com
- **Pizza Hut** — accent #266dcc (Δ 1.804) — https://brandsweets.com/colors/brands/pizzahut-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/2f66ca-9ca5c4-df664e-211f2d-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: "#2f66ca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.