# #623993

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

## Values

- Hex: `#623993`
- RGB: rgb(98, 57, 147)
- HSL: hsl(267, 44%, 40%)
- OKLCH: oklch(0.44 0.143 301.8)
- Relative luminance: 0.0763
- Nearest named color: rebeccapurple (#663399, Δ 1.737) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/623993

## Tints & shades

- Tints (toward white): #7042a9, #7f4fba, #8d61c2, #9c77ca, #ac8dd3, #bca3db, #ccb9e4, #dacceb, #eae2f4, #faf8fc
- Shades (toward black): #583384, #502f79, #47296a, #3f255f, #361f51, #2c1a42, #251537, #1b1028, #140b1d, #0a060f

## Harmonies

- Complementary: #6a9339
- Analogous: #393e93, #8e3993
- Triadic: #936239, #399362
- Split-complementary: #938e39, #3e9339
- Tetradic: #93393e, #6a9339, #39938e

## Colors that go with #623993

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #623993's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #623993: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #623993 in 4 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #623993: 7 real palettes, including Slack's brand system and Hinge's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Kraken's brand system and First Snow put Midnight Blue beside #623993, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue
- **Tomato** #ff6347 [pool] — 7 real palettes, including FedEx's brand system and GitLab's brand system put Tomato beside #623993, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #623993 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/darkolivegreen
- **Blue** #0000ff [pool] — 3 real palettes, including Zillow's brand system and CVS's brand system put Blue beside #623993, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 8.31:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8d61c2 (4.62:1); AA: background → #bfbfbf (4.52:1); AAA: text → #aa89d1 (7.21:1); AAA: background → #ededed (7.1:1)

## Brands using this color

- **Ledger** — secondary #6a3794 (Δ 1.546) — https://brandsweets.com/colors/brands/ledger-com

## Fonts for this mood

- 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/623993-b39cc4-dfda4e-2c1f2d-e9eaf1?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: "#623993" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.