# #05c1fa

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

## Values

- Hex: `#05c1fa`
- RGB: rgb(5, 193, 250)
- HSL: hsl(194, 96%, 50%)
- OKLCH: oklch(0.758 0.148 228.5)
- Relative luminance: 0.4507
- Nearest named color: deepskyblue (#00bfff, Δ 1.033) — https://brandsweets.com/colors/deepskyblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/05c1fa

## Tints & shades

- Tints (toward white): #1ec7fa, #37cdfb, #4bd2fb, #64d8fc, #7ddffc, #96e5fd, #afebfd, #c3f0fe, #dcf6fe, #f5fdff
- Shades (toward black): #05aee1, #049ecd, #048bb4, #037ba0, #036887, #02556e, #02455a, #013241, #01232d, #000f14

## Harmonies

- Complementary: #fa3e05
- Analogous: #05fab9, #0546fa
- Triadic: #fa05c1, #c1fa05
- Split-complementary: #fa0546, #fab905
- Tetradic: #b905fa, #fa3e05, #46fa05

## Colors that go with #05c1fa

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 #05c1fa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #05c1fa: 5 real palettes, including Venmo's brand system and UEFA's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #05c1fa: 4 real palettes, including Figma's brand system and Patreon's brand system, as the accent. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com), 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] — 7 real palettes, including Kraken's brand system and Confluent's brand system put Midnight Blue beside #05c1fa, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #05c1fa in 7 real palettes, including Elastic's brand system and NBA's brand system, as the accent. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), NBA (https://brandsweets.com/colors/brands/nba-com), 1password (https://brandsweets.com/colors/brands/1password-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #05c1fa in 6 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), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #05c1fa 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #05c1fa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 2.1:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #037fa5 (4.58:1); AA: background → #454545 (4.57:1); AAA: text → #03607d (7.06:1); AAA: background → #262626 (7.22:1)
- On black (#000000): 10.01:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Warp** — primary #00c2ff (Δ 0.719) — https://brandsweets.com/colors/brands/warp-dev
- **Figma** — logoBlue #1abcfe (Δ 1.63) — https://brandsweets.com/colors/brands/figma

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical

## 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/05c1fa-9cb6c4-df4e72-1f242d-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: "#05c1fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.