# #63308d

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

## Values

- Hex: `#63308d`
- RGB: rgb(99, 48, 141)
- HSL: hsl(273, 49%, 37%)
- OKLCH: oklch(0.424 0.15 306.2)
- Relative luminance: 0.0669
- Nearest named color: rebeccapurple (#663399, Δ 2.102) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/63308d

## Tints & shades

- Tints (toward white): #7338a3, #8340ba, #9254c4, #a06bcc, #b185d5, #c09cdd, #ceb3e5, #ddcaed, #ece1f5, #faf7fc
- Shades (toward black): #5b2c81, #502772, #482367, #401f5b, #381b50, #2d1641, #251235, #1d0e2a, #13091b, #0b050f

## Harmonies

- Complementary: #5a8d30
- Analogous: #35308d, #8d3088
- Triadic: #8d6330, #308d63
- Split-complementary: #888d30, #308d35
- Tetradic: #8d3530, #5a8d30, #30888d

## Colors that go with #63308d

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

- **Crimson** #dc143c [pool] — Crimson is paired with #63308d in 4 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Kraken's brand system and First Snow put Midnight Blue beside #63308d, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Tomato** #ff6347 [pool] — 5 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #63308d, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #63308d 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #63308d: 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). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #63308d in 3 real palettes, including Datadog's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #63308d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #63308d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen

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

- On white (#ffffff): 8.98:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #975cc7 (4.67:1); AA: background → #b8b8b8 (4.53:1); AAA: text → #b185d5 (7.19:1); AAA: background → #e6e6e6 (7.2:1)

## 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/63308d-b79cc4-c4cb62-2d1f2d-eae9f1?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: "#63308d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.