# #623cfb

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

## Values

- Hex: `#623cfb`
- RGB: rgb(98, 60, 251)
- HSL: hsl(252, 96%, 61%)
- OKLCH: oklch(0.533 0.261 282)
- Relative luminance: 0.1279
- Nearest named color: Meteor Shower (#5533ff, Δ 2.685) — https://brandsweets.com/colors/meteor-shower
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/623cfb

## Tints & shades

- Tints (toward white): #7250fb, #7e5ffc, #8e73fc, #9f87fd, #af9bfd, #bbaafd, #cbbefe, #dbd2fe, #e7e1fe, #f7f5ff
- Shades (toward black): #4a1efa, #3605fa, #3004dc, #2904be, #2403a5, #1d0387, #170269, #10024b, #0b0132, #040014

## Harmonies

- Complementary: #d5fb3c
- Analogous: #3c75fb, #c23cfb
- Triadic: #fb623c, #3cfb62
- Split-complementary: #fbc23c, #75fb3c
- Tetradic: #fb3c75, #d5fb3c, #3cfbc2

## Colors that go with #623cfb

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 #623cfb: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: analogous] — Denim is #623cfb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/denim
- **Blue** #0000ff [pool] — 5 real palettes, including Signal's brand system and Dropbox's brand system put Blue beside #623cfb, 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 #623cfb: 7 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 #623cfb: 4 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 #623cfb in 6 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #623cfb: 5 real palettes, including Render's brand system and Calm's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #623cfb: 4 real palettes, including OnePlus's brand system and HashiCorp's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.9:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4e23fb (7.1:1)
- On black (#000000): 3.56:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7a5afc (4.7:1); AA: background → #e3e3e3 (4.6:1); AAA: text → #9f87fd (7.36:1)

## 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/623cfb-a99cc4-dfb64e-281f2d-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: "#623cfb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.