# #6f557c

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

## Values

- Hex: `#6f557c`
- RGB: rgb(111, 85, 124)
- HSL: hsl(280, 19%, 41%)
- OKLCH: oklch(0.491 0.068 314.1)
- Relative luminance: 0.1133
- Nearest named color: Dr Who (#78587d, Δ 1.858) — https://brandsweets.com/colors/dr-who
- Moods: cool, muted
- Page: https://brandsweets.com/colors/6f557c

## Tints & shades

- Tints (toward white): #7f618f, #8c6d9c, #9b80a8, #a992b5, #b7a4c1, #c3b3cb, #d2c5d8, #e0d8e4, #ece7ee, #faf9fb
- Shades (toward black): #644c70, #5c4667, #513e5b, #46364f, #3e3046, #34273a, #291f2e, #1e1721, #161118, #0b080c

## Harmonies

- Complementary: #627c55
- Analogous: #5b557c, #7c5576
- Triadic: #7c6f55, #557c6f
- Split-complementary: #767c55, #557c5b
- Tetradic: #7c5b55, #627c55, #55767c

## Colors that go with #6f557c

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 #6f557c: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Campus (https://brandsweets.com/palettes/friendly#campus), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #6f557c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6f557c: 5 real palettes, including HP's brand system and Campus, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #6f557c in 4 real palettes, including Console Light and Fintech Trust, as the accent. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Lufthansa's brand system and Fintech Trust put Midnight Blue beside #6f557c, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), FIFA (https://brandsweets.com/colors/brands/fifa-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #6f557c in 6 real palettes, including Stripe's brand system and GitHub's brand system, as the accent. Seen in: Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github), Subaru (https://brandsweets.com/colors/brands/subaru-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #6f557c: 4 real palettes, including Graphite and Oatmeal, as the lead colour. Seen in: Graphite (https://brandsweets.com/palettes/technical#graphite), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/sage-green
- **Sandy Brown** #f4a460 [pool] — Sandy Brown is paired with #6f557c in 4 real palettes, including Dusk Gradient and Golden Hour, as the supporting colour. Seen in: Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/sandybrown

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

- On white (#ffffff): 6.43:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #674e73 (7.21:1)
- On black (#000000): 3.27:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8a6a9a (4.61:1); AA: background → #d9d9d9 (4.55:1); AAA: text → #a78fb3 (7.22:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6f557c-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: "#6f557c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.