# #813ea3

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

## Values

- Hex: `#813ea3`
- RGB: rgb(129, 62, 163)
- HSL: hsl(280, 45%, 44%)
- OKLCH: oklch(0.495 0.164 312.5)
- Relative luminance: 0.1076
- Nearest named color: Fuchsia Nebula (#7722aa, Δ 5.612) — https://brandsweets.com/colors/fuchsia-nebula
- Moods: cool, modern
- Page: https://brandsweets.com/colors/813ea3

## Tints & shades

- Tints (toward white): #9045b5, #9d59c0, #a86bc7, #b581cf, #c094d6, #cba6dd, #d8bce6, #e3cfed, #f0e5f5, #fbf8fc
- Shades (toward black): #753894, #6a3285, #5e2d76, #522768, #462259, #3b1c4a, #2f163b, #23112c, #170b1e, #0c060f

## Harmonies

- Complementary: #5fa33e
- Analogous: #4f3ea3, #a33e92
- Triadic: #a3813e, #3ea381
- Split-complementary: #92a33e, #3ea34f
- Tetradic: #a34f3e, #5fa33e, #3e92a3

## Colors that go with #813ea3

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #813ea3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #813ea3 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), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #813ea3: 4 real palettes, including Linkedin's brand system and Peacock, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Slack (https://brandsweets.com/colors/brands/slack-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #813ea3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #813ea3 — 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). — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #813ea3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Midnight Blue** #191970 [pool] — Two real palettes: Kraken's brand system and Marvel's brand system put Midnight Blue beside #813ea3, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue
- **Rust** #b7410e [pool] — Rust shows up next to #813ea3 in two real palettes: Wayfair's brand system and Semrush's brand system, as the lead colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Semrush (https://brandsweets.com/colors/brands/semrush-com). — https://brandsweets.com/colors/rust

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

- On white (#ffffff): 6.66:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7b3b9b (7.14:1)
- On black (#000000): 3.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9d59c0 (4.62:1); AA: background → #d6d6d6 (4.58:1); AAA: text → #b581cf (7.01:1)

## 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/813ea3-b99fc1-b8cb62-2d1f2c-ebe9f1?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: "#813ea3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.