# #45a3ba

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

## Values

- Hex: `#45a3ba`
- RGB: rgb(69, 163, 186)
- HSL: hsl(192, 46%, 50%)
- OKLCH: oklch(0.669 0.094 216.6)
- Relative luminance: 0.31
- Nearest named color: Atlas Cedar (#5ca0a7, Δ 3.015) — https://brandsweets.com/colors/atlas-cedar
- Moods: cool, modern
- Page: https://brandsweets.com/colors/45a3ba

## Tints & shades

- Tints (toward white): #57acc1, #6ab5c8, #79bdcd, #8cc6d4, #9ecfdb, #b1d8e2, #c3e1e9, #d2e9ee, #e5f2f5, #f8fbfc
- Shades (toward black): #3e92a8, #388599, #327586, #2c6877, #255865, #1e4852, #193b43, #122a30, #0c1d22, #060d0f

## Harmonies

- Complementary: #ba5c45
- Analogous: #45ba97, #4568ba
- Triadic: #ba45a3, #a3ba45
- Split-complementary: #ba4568, #ba9745
- Tetradic: #9745ba, #ba5c45, #68ba45

## Colors that go with #45a3ba

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 #45a3ba: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Terracotta** #e2725b [harmony, pool: complementary] — Terracotta sits directly opposite #45a3ba on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/terracotta
- **Amber** #ffbf00 [pool] — Amber is paired with #45a3ba in 4 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Copper** #b87333 [pool] — Designers have shipped Copper with #45a3ba: 4 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #45a3ba in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #45a3ba: 7 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #45a3ba: 4 real palettes, including Studio Grey and Venmo's brand system, as the accent. Seen in: Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #45a3ba, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #367f91 (4.56:1); AA: background → #303030 (4.53:1); AAA: text → #285e6c (7.22:1); AAA: background → #030303 (7.07:1)
- On black (#000000): 7.2:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/45a3ba-a2b5be-df4e77-1f242d-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: "#45a3ba" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.