# #689bb1

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

## Values

- Hex: `#689bb1`
- RGB: rgb(104, 155, 177)
- HSL: hsl(198, 32%, 55%)
- OKLCH: oklch(0.662 0.063 226.9)
- Relative luminance: 0.2956
- Nearest named color: Atlas Cedar (#5ca0a7, Δ 2.706) — https://brandsweets.com/colors/atlas-cedar
- Moods: cool, muted
- Page: https://brandsweets.com/colors/689bb1

## Tints & shades

- Tints (toward white): #75a4b8, #86afc1, #93b8c8, #a1c1ce, #b2ccd7, #bfd5de, #cddee5, #dae7ec, #ebf2f5, #f8fbfc
- Shades (toward black): #5790a8, #4e8197, #457387, #3d6576, #345665, #2a4551, #213740, #18282f, #101a1e, #070c0d

## Harmonies

- Complementary: #b17e68
- Analogous: #68b1a2, #6876b1
- Triadic: #b1689b, #9bb168
- Split-complementary: #b16876, #b1a268
- Tetradic: #a268b1, #b17e68, #76b168

## Colors that go with #689bb1

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 #689bb1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Lido (https://brandsweets.com/palettes/vivid#lido), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #689bb1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #689bb1 in 4 real palettes, including Beach Hut and NBA's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Estate and Rain Garden put Blush Pink beside #689bb1, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #689bb1: 5 real palettes, including Dusk and Atelier, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #689bb1 in 4 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), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #689bb1: 7 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Open House and Ford's brand system put Midnight Blue beside #689bb1, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4b7c91 (4.57:1); AA: background → #2b2b2b (4.66:1); AAA: text → #375c6c (7.22:1)
- On black (#000000): 6.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6b9db3 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/689bb1-9cb3c4-df4e69-1f232d-e9f1f0?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: "#689bb1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.