# #5c19a3

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

## Values

- Hex: `#5c19a3`
- RGB: rgb(92, 25, 163)
- HSL: hsl(269, 73%, 37%)
- OKLCH: oklch(0.408 0.198 298.7)
- Relative luminance: 0.0561
- Nearest named color: Intergalactic Settlement (#5b1e8b, Δ 3.98) — https://brandsweets.com/colors/intergalactic-settlement
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5c19a3

## Tints & shades

- Tints (toward white): #6b1ebe, #7a22d8, #8938e0, #9953e4, #ab72e9, #bb8ced, #cba7f1, #dac1f5, #eadcf9, #faf6fe
- Shades (toward black): #551796, #4b1584, #431377, #3c116a, #340e5d, #2a0c4b, #230a3e, #1b0831, #11051f, #0a0312

## Harmonies

- Complementary: #61a319
- Analogous: #191ca3, #a119a3
- Triadic: #a35c19, #19a35c
- Split-complementary: #a3a119, #1ca319
- Tetradic: #a3191c, #61a319, #19a3a1

## Colors that go with #5c19a3

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 #5c19a3 in 4 real palettes, including Wells Fargo's brand system and Gemstone, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #5c19a3 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 #5c19a3: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5c19a3: 3 real palettes, including Slack's brand system and Unilever's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #5c19a3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #5c19a3, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/tomato
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #5c19a3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #5c19a3'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). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 9.89:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.12:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #974fe3 (4.54:1); AA: background → #b0b0b0 (4.56:1); AAA: text → #b37feb (7.15:1); AAA: background → #d9d9d9 (7.01:1)

## 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/5c19a3-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#5c19a3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.