# #256dda

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

## Values

- Hex: `#256dda`
- RGB: rgb(37, 109, 218)
- HSL: hsl(216, 71%, 50%)
- OKLCH: oklch(0.553 0.182 259.1)
- Relative luminance: 0.1639
- Nearest named color: Royal Blue (#4169e1, Δ 2.539) — https://brandsweets.com/colors/royalblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/256dda

## Tints & shades

- Tints (toward white): #3b7cde, #518be1, #6296e4, #78a5e8, #8eb3ec, #a3c2ef, #b9d0f3, #cbdcf6, #e0ebfa, #f6f9fe
- Shades (toward black): #2162c4, #1e5ab3, #1b4f9d, #18468c, #143b76, #103060, #0d274e, #0a1c39, #071427, #030911

## Harmonies

- Complementary: #da9225
- Analogous: #25c8da, #3725da
- Triadic: #da256d, #6dda25
- Split-complementary: #da3725, #c8da25
- Tetradic: #da25c8, #da9225, #25da37

## Colors that go with #256dda

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 #256dda: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #256dda — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Chase (https://brandsweets.com/colors/brands/chase-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #256dda 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 #256dda in 11 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including BBC's brand system and EA's brand system put Blue beside #256dda, as the accent. Seen in: BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #256dda: 14 real palettes, including Carrefour's brand system and Unilever's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Intel (https://brandsweets.com/colors/brands/intel-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #256dda: 6 real palettes, including NBA's brand system and Webflow's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #256dda: 7 real palettes, including Astro's brand system and Elastic's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1d55aa (7.16:1)
- On black (#000000): 4.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2e73dc (4.6:1); AA: background → #f5f5f5 (4.5:1); AAA: text → #6296e4 (7:1)

## Brands using this color

- **Walmart** — secondary #0071dc (Δ 1.382) — https://brandsweets.com/colors/brands/walmart-com
- **Subaru** — secondary #1971d4 (Δ 1.517) — https://brandsweets.com/colors/brands/subaru-com
- **Loom** — primary #1868db (Δ 1.58) — https://brandsweets.com/colors/brands/loom-com
- **Loom** — secondary #1868db (Δ 1.58) — https://brandsweets.com/colors/brands/loom-com
- **Foot Locker** — accent #036ad8 (Δ 1.634) — https://brandsweets.com/colors/brands/footlocker-com
- **ASUS** — accent #006ce1 (Δ 1.654) — https://brandsweets.com/colors/brands/asus-com
- **GitHub** — accent #0969da (Δ 1.674) — https://brandsweets.com/colors/brands/github
- **Khan Academy** — accent #0069d6 (Δ 1.957) — https://brandsweets.com/colors/brands/khanacademy-org

## 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/256dda-9ca7c4-df5f4e-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: "#256dda" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.