# #15969d

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

## Values

- Hex: `#15969d`
- RGB: rgb(21, 150, 157)
- HSL: hsl(183, 76%, 35%)
- OKLCH: oklch(0.614 0.101 200.9)
- Relative luminance: 0.2441
- Nearest named color: Baltic (#279d9f, Δ 2.276) — https://brandsweets.com/colors/baltic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/15969d

## Tints & shades

- Tints (toward white): #19b0b8, #1dced7, #31dae3, #4bdfe7, #6be4eb, #86e9ee, #a1eef2, #bcf3f6, #dbf9fa, #f6fdfe
- Shades (toward black): #148990, #127d82, #107075, #0e6367, #0c565a, #0a4548, #08383a, #062b2d, #041e1f, #021112

## Harmonies

- Complementary: #9d1c15
- Analogous: #159d60, #15529d
- Triadic: #9d1596, #969d15
- Split-complementary: #9d1552, #9d6015
- Tetradic: #60159d, #9d1c15, #529d15

## Colors that go with #15969d

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 #15969d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Coastal (https://brandsweets.com/palettes/cool#coastal), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #15969d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [harmony, pool: complementary] — Crimson sits directly opposite #15969d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #15969d: 4 real palettes, including Fintech Trust and Intel's brand system, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Intel (https://brandsweets.com/colors/brands/intel-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #15969d: 12 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Discover (https://brandsweets.com/colors/brands/discover-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #15969d in 4 real palettes, including Ledger Dark and Sapphire & Gold, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #15969d, as that palette's text colour. Seen in: 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), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Gopro's brand system and Olympics's brand system put Orange beside #15969d, as the accent. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.57:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #128187 (4.65:1); AA: background → #212121 (4.51:1); AAA: text → #0e6367 (7:1)
- On black (#000000): 5.88:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #18a7af (7.19:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/15969d-a2b9be-d4598e-1f262d-e9f1ee?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: "#15969d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.