# #685bcd

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

## Values

- Hex: `#685bcd`
- RGB: rgb(104, 91, 205)
- HSL: hsl(247, 53%, 58%)
- OKLCH: oklch(0.544 0.17 284.4)
- Relative luminance: 0.1483
- Nearest named color: slateblue (#6a5acd, Δ 0.363) — https://brandsweets.com/colors/slateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/685bcd

## Tints & shades

- Tints (toward white): #776bd1, #857ad6, #938adb, #a29ae0, #b0a9e5, #beb9e9, #cdc8ee, #dbd8f3, #e9e8f8, #f8f7fd
- Shades (toward black): #5648c7, #4738b7, #4032a4, #362b8c, #2f2579, #271f65, #1e184e, #17123b, #0e0b23, #060510

## Harmonies

- Complementary: #bfcd5b
- Analogous: #5b87cd, #a15bcd
- Triadic: #cd685b, #5bcd68
- Split-complementary: #cda15b, #87cd5b
- Tetradic: #cd5b87, #bfcd5b, #5bcda1

## Colors that go with #685bcd

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 #685bcd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #685bcd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #685bcd in 9 real palettes, including Wikipedia's brand system and Warner Bros.'s brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Pixar's brand system and Signal's brand system put Blue beside #685bcd, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Signal (https://brandsweets.com/colors/brands/signal-org), Headspace (https://brandsweets.com/colors/brands/headspace-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #685bcd: 13 real palettes, including Unilever's brand system and Carrefour's brand system, as the lead colour. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Intel (https://brandsweets.com/colors/brands/intel-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #685bcd: 6 real palettes, including Coca-Cola's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #685bcd in 16 real palettes, including Marvel's brand system and Netflix's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #685bcd: 6 real palettes, including Calm's brand system and Astro's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.29:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4f40c4 (7.34:1)
- On black (#000000): 3.97:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7367d0 (4.58:1); AA: background → #ededed (4.52:1); AAA: text → #978edc (7.22:1)

## 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/685bcd-a59cc4-dfaa4e-271f2d-e9ecf1?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: "#685bcd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.