# #683777

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

## Values

- Hex: `#683777`
- RGB: rgb(104, 55, 119)
- HSL: hsl(286, 37%, 34%)
- OKLCH: oklch(0.426 0.115 317.8)
- Relative luminance: 0.0701
- Nearest named color: Galactic Grapevine (#6b327b, Δ 1.47) — https://brandsweets.com/colors/galactic-grapevine
- Moods: cool, modern
- Page: https://brandsweets.com/colors/683777

## Tints & shades

- Tints (toward white): #7a408c, #904ca4, #9f5bb3, #ad73bf, #b988c8, #c69dd2, #d4b6dd, #e0cbe7, #efe3f2, #fbf8fc
- Shades (toward black): #5f326c, #552d62, #4c2857, #43234d, #3a1f42, #311a38, #28152d, #1f1023, #150b18, #0c060e

## Harmonies

- Complementary: #467737
- Analogous: #483777, #773766
- Triadic: #776837, #377768
- Split-complementary: #667737, #377748
- Tetradic: #774837, #467737, #376677

## Colors that go with #683777

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #683777: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #683777 in 4 real palettes, including Datadog's brand system and Dusk, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/taupe
- **Sea Green** #2e8b57 [harmony: complementary] — Sea Green sits directly opposite #683777 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/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #683777 in 3 real palettes, including Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #683777: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #683777, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #683777 in 3 real palettes, including Wayfair's brand system and Console Light, as the supporting colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Tomato** #ff6347 [pool] — 3 real palettes, including Golden Hour and Harley-Davidson's brand system put Tomato beside #683777, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 8.74:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.4:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9f5bb3 (4.62:1); AA: background → #bababa (4.51:1); AAA: text → #b785c7 (7.19:1); AAA: background → #e6e6e6 (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/683777-bd9fc1-adcb62-2d1f2a-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: "#683777" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.