# #813d8a

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

## Values

- Hex: `#813d8a`
- RGB: rgb(129, 61, 138)
- HSL: hsl(293, 39%, 39%)
- OKLCH: oklch(0.479 0.139 322.8)
- Relative luminance: 0.0984
- Nearest named color: Grapes of Italy (#714a8b, Δ 3.974) — https://brandsweets.com/colors/grapes-of-italy
- Moods: cool, modern
- Page: https://brandsweets.com/colors/813d8a

## Tints & shades

- Tints (toward white): #9546a0, #a751b3, #b267bc, #bd7cc5, #c891cf, #d1a3d7, #dbb8e0, #e6cde9, #f1e3f3, #fbf8fc
- Shades (toward black): #773880, #6a3271, #602d67, #532759, #49224e, #3c1c40, #321735, #241127, #1a0c1c, #0d060e

## Harmonies

- Complementary: #468a3d
- Analogous: #5a3d8a, #8a3d6c
- Triadic: #8a813d, #3d8a81
- Split-complementary: #6c8a3d, #3d8a5a
- Tetradic: #8a5a3d, #468a3d, #3d6c8a

## Colors that go with #813d8a

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 #813d8a 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #813d8a: 4 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), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #813d8a in 4 real palettes, including Superhuman's brand system and Datadog's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #813d8a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #813d8a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #813d8a in 3 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [harmony: split] — Dark Olive Green is a split-complement of #813d8a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkolivegreen
- **Light Coral** #f08080 [pool] — Designers have shipped Light Coral with #813d8a: two real palettes: Sentry's brand system and Blush, as the lead colour. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 7.08:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a955b4 (4.65:1); AA: background → #cfcfcf (4.54:1); AAA: text → #bf7fc7 (7.08:1); AAA: background → #ffffff (7.08:1)

## Curated palettes containing it

- **Dusk Gradient** (sunset, dark, warm, bold) — #ff7b54, #ffb26b, #7c3e8a, #1b1230, #ffefe0 — Orange and peach on indigo-black with a violet — the last five minutes of a sunset, as a dark mode. — tool: https://brandsweets.com/palettes/new/ff7b54-ffb26b-7c3e8a-1b1230-ffefe0 — collection: https://brandsweets.com/palettes/sunset

## 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/813d8a-c19fc1-a1cb62-2d1f29-ece9f1?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: "#813d8a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.