# #813ebb

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

## Values

- Hex: `#813ebb`
- RGB: rgb(129, 62, 187)
- HSL: hsl(272, 50%, 49%)
- OKLCH: oklch(0.512 0.19 305.2)
- Relative luminance: 0.117
- Nearest named color: Lilac Spring (#8822cc, Δ 4.778) — https://brandsweets.com/colors/lilac-spring
- Moods: cool, modern
- Page: https://brandsweets.com/colors/813ebb

## Tints & shades

- Tints (toward white): #8e4fc4, #9a62cb, #a675d1, #b388d7, #bf9cde, #c9abe3, #d5bee9, #e1d1f0, #eee4f6, #faf7fc
- Shades (toward black): #7739ac, #693399, #5f2e8a, #522877, #472267, #3a1c54, #2f1745, #221132, #180b22, #0b050f

## Harmonies

- Complementary: #79bb3e
- Analogous: #433ebb, #bb3eb7
- Triadic: #bb813e, #3ebb81
- Split-complementary: #b7bb3e, #3ebb43
- Tetradic: #bb433e, #79bb3e, #3eb7bb

## Colors that go with #813ebb

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #813ebb: 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
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #813ebb 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #813ebb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #813ebb: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #813ebb in 3 real palettes, including Gemstone and Wells Fargo's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #813ebb: 3 real palettes, including Kraken's brand system and Calm's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Calm (https://brandsweets.com/colors/brands/calm-com), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/deepskyblue
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #813ebb in 3 real palettes, including Linear's brand system and ClickUp's brand system, as the accent. Seen in: Linear (https://brandsweets.com/colors/brands/linear), ClickUp (https://brandsweets.com/colors/brands/clickup-com), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Kraken's brand system and Marvel's brand system put Midnight Blue beside #813ebb, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 6.29:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7739ac (7.08:1)
- On black (#000000): 3.34:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #955bc8 (4.61:1); AA: background → #dbdbdb (4.54:1); AAA: text → #b085d6 (7.17:1)

## 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/813ebb-b69cc4-c5cb62-2d1f2d-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: "#813ebb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.