# #678f98

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

## Values

- Hex: `#678f98`
- RGB: rgb(103, 143, 152)
- HSL: hsl(191, 19%, 50%)
- OKLCH: oklch(0.624 0.046 213.1)
- Relative luminance: 0.248
- Nearest named color: Cavolo Nero (#72939e, Δ 1.999) — https://brandsweets.com/colors/cavolo-nero
- Moods: cool, muted
- Page: https://brandsweets.com/colors/678f98

## Tints & shades

- Tints (toward white): #769aa2, #86a5ac, #92aeb5, #a1b9bf, #b0c5c9, #bfd0d4, #cedbde, #dbe4e6, #eaeff1, #f9fbfb
- Shades (toward black): #5d8189, #55757c, #4a676d, #425b61, #384d52, #2d3f43, #253337, #1b2527, #131a1b, #080b0c

## Harmonies

- Complementary: #987067
- Analogous: #679888, #677798
- Triadic: #98678f, #8f9867
- Split-complementary: #986777, #988867
- Tetradic: #886798, #987067, #779867

## Colors that go with #678f98

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 #678f98: softer than #000 and cool enough to feel like part of the same palette. Seen in: Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #678f98: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #678f98: 4 real palettes, including Ink & Paper and Intel's brand system, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Intel (https://brandsweets.com/colors/brands/intel-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #678f98 in 6 real palettes, including Diner and Retro Pop, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #678f98: 11 real palettes, including Dusk and Peacock, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Peacock (https://brandsweets.com/palettes/vivid#peacock), Campus (https://brandsweets.com/palettes/friendly#campus), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #678f98 in 4 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Plaid's brand system and Tide Pool put Midnight Blue beside #678f98, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #678f98, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.52:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #597b82 (4.58:1); AA: background → #212121 (4.57:1); AAA: text → #425b61 (7.24:1)
- On black (#000000): 5.96:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #799ca4 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/678f98-a2b6be-df4e7a-1f252d-e9f1ef?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: "#678f98" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.