# #5a73e2

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

## Values

- Hex: `#5a73e2`
- RGB: rgb(90, 115, 226)
- HSL: hsl(229, 70%, 62%)
- OKLCH: oklch(0.593 0.17 270.9)
- Relative luminance: 0.1993
- Nearest named color: Blue Öyster Cult (#5577ee, Δ 1.975) — https://brandsweets.com/colors/blue-oyster-cult
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5a73e2

## Tints & shades

- Tints (toward white): #6c82e5, #798de7, #8a9cea, #97a7ed, #a8b5f0, #bac4f3, #c7cff5, #d8def8, #e5e9fa, #f6f8fd
- Shades (toward black): #405ddd, #2647d9, #2240c3, #1e37a9, #192f8f, #152675, #101e5b, #0c1745, #080e2b, #030611

## Harmonies

- Complementary: #e2c95a
- Analogous: #5ab7e2, #855ae2
- Triadic: #e25a73, #73e25a
- Split-complementary: #e2855a, #b7e25a
- Tetradic: #e25ab7, #e2c95a, #5ae285

## Colors that go with #5a73e2

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 #5a73e2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Docker (https://brandsweets.com/colors/brands/docker-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #5a73e2 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #5a73e2 in 12 real palettes, including Google's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #5a73e2, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), BBC (https://brandsweets.com/colors/brands/bbc-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5a73e2: 11 real palettes, including Carrefour's brand system and Behance's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #5a73e2 in 15 real palettes, including Marvel's brand system and Pizza Hut's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-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 #5a73e2: 9 real palettes, including Calm's brand system and Astro's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build), Patreon (https://brandsweets.com/colors/brands/patreon-com), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5a73e2: 16 real palettes, including Fivetran blue's brand system and Guinness's brand system, as the supporting colour. Seen in: Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Motorola (https://brandsweets.com/colors/brands/motorola-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.21:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #526ce0 (4.58:1); AA: background → #0f0f0f (4.55:1); AAA: text → #2647d9 (7.03:1)
- On black (#000000): 4.99:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7d91e8 (7.09:1)

## Brands using this color

- **Zed** — secondary #5c78e2 (Δ 1.331) — https://brandsweets.com/colors/brands/zed-dev

## 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/5a73e2-9c9fc4-df7e4e-231f2d-e9eef1?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: "#5a73e2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.