Booking.com (iOS)

Identity

Mobile Apps

Travel booking. Booking navy #003580 + bright-blue #0071C2 action + yellow #FEBB02, the review-score badge, dense property cards, Genius banner

Typography

InterDisplay

InterBody

Ag

ui-monospaceMono

--text-4xl · 29pxThe quick brown fox

--text-3xl · 22pxThe quick brown fox

--text-2xl · 18pxThe quick brown fox

--text-xl · 17pxThe quick brown fox

--text-lg · 16pxThe quick brown fox

--text-base · 15pxThe quick brown fox

--text-sm · 14pxThe quick brown fox

--text-xs · 11pxThe quick brown fox

Palette

--bg#FFFFFFPage background — defines the brand canvas.

--surface#F2F2F2Card / lifted container background.

--surface-warmcolor-mix(in oklab, var(--surface), var(--fg) 6%)Tertiary surface tier (kami warm-sand).

--fg#1A1A1APrimary text color.

--fg-2color-mix(in oklab, var(--fg), var(--bg) 15%)Secondary text tier (kami dark-warm).

--muted#6B6B6BSubtext / captions.

--metacolor-mix(in oklab, var(--muted), var(--bg) 25%)Tertiary FG / metadata tier (kami stone).

--border#E0E0E0Default border / card edge.

--border-softcolor-mix(in oklab, var(--border), var(--bg) 50%)Inner row separator that should not visually compete.

--accent#0071C2Brand accent. ≤2 visible uses per screen (lint enforced).

--accent-on#FFFFFFFG when --accent is the bg.

--success#008009Success state.

--warn#F5A623Warning state.

--danger#CC0000Danger state.

Also named in DESIGN.md

Booking Blue#003580Brand surfaces — top app bar, Genius banner, section headers, the score badge, the logotype.

CTA Blue Pressed#005a9cActive/pressed state for the action blue.

Blue Tint#e7f0f7Light wash behind selected filters, info banners, and the selected map pin.

Brand Yellow#febb02Star-rating fill only — the single non-blue accent.

Surface Deep#e6e6e6Pressed state on surface, alternating zones.

Text Tertiary#949494Disabled labels, very low-emphasis captions, struck original price.

Imagery & layout

Radius

--radius-sm6px

--radius-md8px

--radius-lg8px

--radius-pill9999px

Spacing

--space-1 · 4px

--space-2 · 8px

--space-3 · 12px

--space-4 · 16px

--space-5 · 20px

--space-6 · 24px

--space-8 · 32px

--space-12 · 48px

Elevation

--elev-raised

Layout

Layout rules

Base unit: 4pt
Scale: 4, 8, 12, 16, 20, 24, 32, 40, 52
Standard margin: 16pt horizontal
Card internal padding: 12pt
Filter chip gap: 8pt
Content width: full device width with 16pt horizontal margins

Component kit

Light Dark