# #39c6fe

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

## Values

- Hex: `#39c6fe`
- RGB: rgb(57, 198, 254)
- HSL: hsl(197, 99%, 61%)
- OKLCH: oklch(0.777 0.14 229.9)
- Relative luminance: 0.4841
- Nearest named color: deepskyblue (#00bfff, Δ 2.607) — https://brandsweets.com/colors/deepskyblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/39c6fe

## Tints & shades

- Tints (toward white): #4dccfe, #5dd0fe, #71d6fe, #85dcfe, #9ae2fe, #a9e6ff, #bdecff, #d1f2ff, #e1f6ff, #f5fcff
- Shades (toward black): #1bbdfe, #01b6fe, #01a0df, #018ac1, #0178a7, #016289, #014d6b, #00374c, #002433, #000f14

## Harmonies

- Complementary: #fe7139
- Analogous: #39fed3, #3964fe
- Triadic: #fe39c6, #c6fe39
- Split-complementary: #fe3964, #fed339
- Tetradic: #d339fe, #fe7139, #64fe39

## Colors that go with #39c6fe

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 #39c6fe: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #39c6fe: 4 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), Opensea (https://brandsweets.com/colors/brands/opensea-io), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Telehealth and Kraken's brand system put Midnight Blue beside #39c6fe, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #39c6fe in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/periwinkle
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #39c6fe in 7 real palettes, including 1password's brand system and Telehealth, as the accent. Seen in: 1password (https://brandsweets.com/colors/brands/1password-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #39c6fe: 4 real palettes, including Astro's brand system and Deep Water, as the lead colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #39c6fe in 8 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Cursor (https://brandsweets.com/colors/brands/cursor-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #39c6fe 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/coral

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

- On white (#ffffff): 1.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #017cad (4.68:1); AA: background → #4a4a4a (4.51:1); AAA: text → #015f84 (7.07:1); AAA: background → #2b2b2b (7.2:1)
- On black (#000000): 10.68:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Warp** — primary #00c2ff (Δ 1.915) — https://brandsweets.com/colors/brands/warp-dev

## 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/39c6fe-9cb4c4-df4e6b-1f232d-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: "#39c6fe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.