# #553efe

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

## Values

- Hex: `#553efe`
- RGB: rgb(85, 62, 254)
- HSL: hsl(247, 99%, 62%)
- OKLCH: oklch(0.528 0.265 277.6)
- Relative luminance: 0.1253
- Nearest named color: Meteor Shower (#5533ff, Δ 1.502) — https://brandsweets.com/colors/meteor-shower
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/553efe

## Tints & shades

- Tints (toward white): #6652fe, #7462fe, #8676fe, #9385fe, #a59afe, #b7aeff, #c5bdff, #d7d1ff, #e4e1ff, #f6f5ff
- Shades (toward black): #3a20fe, #1f01fe, #1c01e4, #1801c6, #1401a7, #110189, #0d016b, #0a0051, #060033, #020014

## Harmonies

- Complementary: #e8fe3e
- Analogous: #3e88fe, #b43efe
- Triadic: #fe553e, #3efe55
- Split-complementary: #feb43e, #88fe3e
- Tetradic: #fe3e88, #e8fe3e, #3efeb4

## Colors that go with #553efe

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 #553efe: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #553efe in 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Walmart's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Signal's brand system and Dropbox's brand system put Blue beside #553efe, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Dropbox (https://brandsweets.com/colors/brands/dropbox-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 #553efe: 9 real palettes, including Nokia's brand system and Nivea's brand system, as the lead colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #553efe: 5 real palettes, including Roblox's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #553efe in 7 real palettes, including Coinbase's brand system and Toyota's brand system. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com), WWE (https://brandsweets.com/colors/brands/wwe-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #553efe: 5 real palettes, including Warp's brand system and Calm's brand system, as the lead colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/deepskyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #553efe 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): 5.99:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3e25fe (7.24:1)
- On black (#000000): 3.51:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6f5dfe (4.67:1); AA: background → #e0e0e0 (4.54:1); AAA: text → #9385fe (7.03:1)

## Brands using this color

- **Stripe** — accent #533afd (Δ 0.751) — https://brandsweets.com/colors/brands/stripe

## 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/553efe-a59cc4-dfaa4e-271f2d-e9ecf1?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: "#553efe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.