# #513bf7

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

## Values

- Hex: `#513bf7`
- RGB: rgb(81, 59, 247)
- HSL: hsl(247, 92%, 60%)
- OKLCH: oklch(0.515 0.261 277.3)
- Relative luminance: 0.1159
- Nearest named color: Meteor Shower (#5533ff, Δ 1.517) — https://brandsweets.com/colors/meteor-shower
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/513bf7

## Tints & shades

- Tints (toward white): #624ff8, #7462f8, #8171f9, #9285fa, #a498fb, #b5acfc, #c6bffc, #d4cefd, #e5e2fe, #f6f5ff
- Shades (toward black): #371ef6, #250af0, #2009d3, #1d08ba, #18079d, #14057f, #100467, #0b0349, #080231, #030114

## Harmonies

- Complementary: #e1f73b
- Analogous: #3b83f7, #af3bf7
- Triadic: #f7513b, #3bf751
- Split-complementary: #f7af3b, #83f73b
- Tetradic: #f73b83, #e1f73b, #3bf7af

## Colors that go with #513bf7

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 #513bf7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #513bf7 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Intel (https://brandsweets.com/colors/brands/intel-com), Kia (https://brandsweets.com/colors/brands/kia-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #513bf7 in 6 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Dropbox's brand system and Headspace's brand system put Blue beside #513bf7, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #513bf7: 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), Nivea (https://brandsweets.com/colors/brands/nivea-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #513bf7: 9 real palettes, including Roblox's brand system and Qualcomm's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #513bf7 in 11 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 #513bf7: 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), Kraken (https://brandsweets.com/colors/brands/kraken-com), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 6.33:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #442cf6 (7.15:1)
- On black (#000000): 3.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6f5df8 (4.6:1); AA: background → #dbdbdb (4.57:1); AAA: text → #9789fa (7.27:1)

## Brands using this color

- **Stripe** — accent #533afd (Δ 0.945) — 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/513bf7-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: "#513bf7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.