# #45a7bf

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

## Values

- Hex: `#45a7bf`
- RGB: rgb(69, 167, 191)
- HSL: hsl(192, 49%, 51%)
- OKLCH: oklch(0.68 0.097 216.7)
- Relative luminance: 0.3266
- Nearest named color: Frozen Wave (#56acca, Δ 2.523) — https://brandsweets.com/colors/frozen-wave
- Moods: cool, modern
- Page: https://brandsweets.com/colors/45a7bf

## Tints & shades

- Tints (toward white): #58b0c6, #67b7cb, #7ac0d1, #8dc9d8, #a0d2de, #afd9e4, #c2e2ea, #d5ebf1, #e4f2f6, #f7fbfc
- Shades (toward black): #3c98af, #378ba0, #307a8d, #2a6a7a, #245c6a, #1e4c57, #173b44, #112b31, #0c1e22, #050d0f

## Harmonies

- Complementary: #bf5d45
- Analogous: #45bf9b, #456abf
- Triadic: #bf45a7, #a7bf45
- Split-complementary: #bf456a, #bf9b45
- Tetradic: #9b45bf, #bf5d45, #6abf45

## Colors that go with #45a7bf

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 #45a7bf: 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), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Terracotta** #e2725b [harmony, pool: complementary] — Terracotta sits directly opposite #45a7bf 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), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/terracotta
- **Amber** #ffbf00 [pool] — Amber is paired with #45a7bf in 4 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Denim** #1560bd [pool] — Designers have shipped Denim with #45a7bf: 7 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #45a7bf: 4 real palettes, including Venmo's brand system and Figma's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #45a7bf, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #45a7bf: 5 real palettes, including First Snow and Calendly's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Calendly (https://brandsweets.com/colors/brands/calendly-com), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #45a7bf in 8 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Elastic (https://brandsweets.com/colors/brands/elastic-co), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 2.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #317d90 (4.7:1); AA: background → #333333 (4.53:1); AAA: text → #26606e (7.05:1); AAA: background → #0a0a0a (7.1:1)
- On black (#000000): 7.53:1 — 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/45a7bf-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: "#45a7bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.