Color spaces

#38bdf8 — hex

rgb(56 189 248) — same color, decimal channels

hsl(198 93% 60%) — hue, saturation, lightness

oklch(0.75 0.13 232) — perceptual space

rgb(... / 0.5) — the same hue, half transparent

oklch lightness 0.65 — a real "darker" variant

oklch lightness 0.85 — a real "lighter" variant

color-mix: 25% sky blue into white — the tint your design system needs