# #356bde

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

## Values

- Hex: `#356bde`
- RGB: rgb(53, 107, 222)
- HSL: hsl(221, 72%, 54%)
- OKLCH: oklch(0.557 0.185 262.9)
- Relative luminance: 0.1655
- Nearest named color: Royal Blue (#4169e1, Δ 1.217) — https://brandsweets.com/colors/royalblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/356bde

## Tints & shades

- Tints (toward white): #4778e1, #5d88e5, #6e95e7, #84a5eb, #96b2ee, #a7bff1, #bdcff4, #cfdcf7, #e5ecfb, #f6f9fe
- Shades (toward black): #235cd7, #1f53c1, #1c49ab, #184095, #15367f, #112d69, #0e2453, #0a1a3d, #061127, #030812

## Harmonies

- Complementary: #dea935
- Analogous: #35bfde, #5435de
- Triadic: #de356b, #6bde35
- Split-complementary: #de5435, #bfde35
- Tetradic: #de35bf, #dea935, #35de54

## Colors that go with #356bde

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 #356bde: 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
- **Amber** #ffbf00 [pool] — Amber is paired with #356bde in 11 real palettes, including Walmart's brand system and Wikipedia's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including BBC's brand system and EA's brand system put Blue beside #356bde, 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 #356bde: 14 real palettes, including Carrefour's brand system and Nokia's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #356bde: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #356bde in 17 real palettes, including Foot Locker's brand system and Pizza Hut's brand system, as the supporting colour. 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), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #356bde: 7 real palettes, including Elastic's brand system and Astro's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Astro (https://brandsweets.com/colors/brands/astro-build), Calm (https://brandsweets.com/colors/brands/calm-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #356bde on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 4.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1f51bd (7.07:1)
- On black (#000000): 4.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3e71e0 (4.64:1); AA: background → #f7f7f7 (4.55:1); AAA: text → #6e95e7 (7.12:1)

## 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/356bde-9ca4c4-df6b4e-211f2d-e9eff1?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: "#356bde" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.