CSS named color

Midnight Blue #191970

Midnight Blue is dark blue. Below: every color format, WCAG contrast against black and white, its tints, shades and tones, and the harmonies that pair with it.

Color values

Contrast & accessibility

WCAG contrast ratio of Midnight Blue used as a foreground on white and black backgrounds.

Aa The quick brown fox
14.85:1

On white

AA ✓ AAA ✓ AA Large ✓
Aa The quick brown fox
1.41:1

On black

AA ✕ AAA ✕ AA Large ✕

Tints, shades & tones

Systematic variations of Midnight Blue — click any swatch to copy its hex.

Tintsmixed toward white
Shadesmixed toward black
Tonesmixed toward gray

Color harmonies

Palettes built from Midnight Blue by rotating its hue. Each swatch links to its closest named color.

Complementary

#191970 ≈ Navy #717119 ≈ Olive

Analogous

#194571 ≈ Dark Slate Gray #191970 ≈ Navy #451971 ≈ Indigo

Triadic

#191970 ≈ Navy #711919 ≈ Maroon #197119 ≈ Forest Green

Split-complementary

#191970 ≈ Navy #714519 ≈ Saddle Brown #457119 ≈ Dark Olive Green

Tetradic

#191970 ≈ Navy #711945 ≈ Brown #717119 ≈ Olive #197145 ≈ Sea Green

Use Midnight Blue in your stack

Tailwind (arbitrary value)

Works for any property: text-[#191970], border-[#191970].

CSS custom property

Reference it anywhere with var(--color).

Build a full theme

Turn Midnight Blue into a complete shadcn/ui palette — light & dark, contrast-checked, one-command install.

Extract a theme →

Similar named colors

Navy #000080 Dark Blue #00008B Indigo #4B0082 Dark Slate Blue #483D8B Dark Slate Gray #2F4F4F Rebecca Purple #663399

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