# #289f83

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#289f83`
- RGB: rgb(40, 159, 131)
- HSL: hsl(166, 60%, 39%)
- OKLCH: oklch(0.632 0.111 172.9)
- Relative luminance: 0.2689
- Nearest named color: Green Dynasty (#00988e, Δ 3.285) — https://brandsweets.com/colors/green-dynasty
- Moods: vivid
- Page: https://brandsweets.com/colors/289f83

## Tints & shades

- Tints (toward white): #2eb897, #37cdaa, #50d3b4, #68d9bf, #81dfc9, #95e4d2, #adebdc, #c6f1e7, #def7f1, #f7fdfc
- Shades (toward black): #259379, #21836c, #1e7662, #1a6654, #165a4a, #12493d, #0f3d32, #0b2d25, #08211b, #04100d

## Harmonies

- Complementary: #9f2844
- Analogous: #289f48, #287f9f
- Triadic: #83289f, #9f8328
- Split-complementary: #9f287f, #9f4828
- Tetradic: #48289f, #9f2844, #7f9f28

## Colors that go with #289f83

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 #289f83: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #289f83: 4 real palettes, including Wellness and Clean Beauty, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #289f83 in 6 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #289f83: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Tide Pool and Fintech Trust put Midnight Blue beside #289f83, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #289f83 in 7 real palettes, including Khan Academy's brand system and Console Light, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #289f83 in 12 real palettes, including Rain Garden and Wellness, as that palette's text colour. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/taupe
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #289f83 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/deeppink

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

- On white (#ffffff): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #21836c (4.64:1); AA: background → #262626 (4.6:1); AAA: text → #186251 (7.23:1)
- On black (#000000): 6.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2bab8d (7.31:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/289f83-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#289f83" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.