# #39b7d0

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

## Values

- Hex: `#39b7d0`
- RGB: rgb(57, 183, 208)
- HSL: hsl(190, 62%, 52%)
- OKLCH: oklch(0.722 0.112 214)
- Relative luminance: 0.3929
- Nearest named color: Blue Bobbin (#52b4ca, Δ 1.594) — https://brandsweets.com/colors/blue-bobbin
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/39b7d0

## Tints & shades

- Tints (toward white): #4dbfd5, #5ec5d9, #73ccde, #83d2e2, #98dae7, #ace1ec, #bde7ef, #d2eff4, #e2f5f8, #f7fcfd
- Shades (toward black): #2ea9c2, #2997ae, #25899d, #207788, #1b6574, #16535f, #11414a, #0e323a, #092025, #040e11

## Harmonies

- Complementary: #d05239
- Analogous: #39d09e, #396bd0
- Triadic: #d039b7, #b7d039
- Split-complementary: #d0396b, #d09e39
- Tetradic: #9e39d0, #d05239, #6bd039

## Colors that go with #39b7d0

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 #39b7d0: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #39b7d0, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Uber (https://brandsweets.com/colors/brands/uber-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #39b7d0 in 4 real palettes, including Riot Games's brand system and Diner, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Diner (https://brandsweets.com/palettes/vivid#diner), JBL (https://brandsweets.com/colors/brands/jbl-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #39b7d0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #39b7d0: 6 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #39b7d0: 5 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #39b7d0, 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), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #39b7d0 in 9 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), NBA (https://brandsweets.com/colors/brands/nba-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 2.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #227e91 (4.71:1); AA: background → #3d3d3d (4.58:1); AAA: text → #1a6170 (7.03:1); AAA: background → #1c1c1c (7.19:1)
- On black (#000000): 8.86:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Perplexity** — accent #1fb8cd (Δ 1.167) — https://brandsweets.com/colors/brands/perplexity
- **Tailwind CSS** — primary #06b6d4 (Δ 1.573) — https://brandsweets.com/colors/brands/tailwind-css

## Curated palettes containing it

- **Circuit** (technical, vivid, bold) — #7c3aed, #0a0a0a, #06b6d4, #ffffff — Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy. — tool: https://brandsweets.com/palettes/new/7c3aed-0a0a0a-06b6d4-ffffff — collection: https://brandsweets.com/palettes/technical
- **Lagoon** (ocean, vivid, light, summer) — #06b6d4, #14b8a6, #fde68a, #ffffff, #134e4a — Turquoise and teal with a sand-yellow on white — shallow tropical water; the deep teal text is the reef. — tool: https://brandsweets.com/palettes/new/06b6d4-14b8a6-fde68a-ffffff-134e4a — collection: https://brandsweets.com/palettes/ocean

## 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/39b7d0-a2b6be-df4e7c-1f252d-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: "#39b7d0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.