# #2b59e3

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

## Values

- Hex: `#2b59e3`
- RGB: rgb(43, 89, 227)
- HSL: hsl(225, 77%, 53%)
- OKLCH: oklch(0.522 0.215 265.2)
- Relative luminance: 0.132
- Nearest named color: Bluetiful (#3c69e7, Δ 4.381) — https://brandsweets.com/colors/bluetiful
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2b59e3

## Tints & shades

- Tints (toward white): #416be6, #5379e9, #6a8aec, #7c99ee, #93aaf1, #a5b8f3, #bbcaf6, #cdd8f9, #e4eafb, #f6f8fe
- Shades (toward black): #1c4bd9, #1943c2, #163cac, #133495, #112d83, #0e266c, #0b1e56, #08163f, #050e29, #020612

## Harmonies

- Complementary: #e3b52b
- Analogous: #2bb5e3, #592be3
- Triadic: #e32b59, #59e32b
- Split-complementary: #e3592b, #b5e32b
- Tetradic: #e32bb5, #e3b52b, #2be359

## Colors that go with #2b59e3

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 #2b59e3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #2b59e3 in 9 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] — 11 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #2b59e3, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2b59e3: 12 real palettes, including NHL's brand system and Nokia's brand system, as the accent. Seen in: NHL (https://brandsweets.com/colors/brands/nhl-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Nivea (https://brandsweets.com/colors/brands/nivea-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2b59e3: 8 real palettes, including Roblox's brand system and NBA's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #2b59e3 in 16 real palettes, including Chase's brand system and Foot Locker's brand system, as the accent. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Toyota (https://brandsweets.com/colors/brands/toyota-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2b59e3: 8 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #2b59e3 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): 5.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1c4ad4 (7.05:1)
- On black (#000000): 3.64:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #466ee7 (4.64:1); AA: background → #e6e6e6 (4.62:1); AAA: text → #7392ed (7.06:1)

## Brands using this color

- **1password** — accent #145fe4 (Δ 1.627) — https://brandsweets.com/colors/brands/1password-com
- **OktaOkta on YoutubeOkta on XOkta on LinkedIn** — accent #3f59e4 (Δ 1.869) — https://brandsweets.com/colors/brands/okta-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/2b59e3-9ca1c4-df754e-221f2d-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: "#2b59e3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.