CSS named color

Medium Blue #0000CD

Medium Blue is vivid 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 Medium Blue used as a foreground on white and black backgrounds.

Aa The quick brown fox
11.16:1

On white

AA ✓ AAA ✓ AA Large ✓
Aa The quick brown fox
1.88:1

On black

AA ✕ AAA ✕ AA Large ✕

Tints, shades & tones

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

Tintsmixed toward white
Shadesmixed toward black
Tonesmixed toward gray

Color harmonies

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

Complementary

#0000CD ≈ Blue #CCCC00 ≈ Gold

Analogous

#0066CC ≈ Royal Blue #0000CD ≈ Blue #6600CC ≈ Dark Violet

Triadic

#0000CD ≈ Blue #CC0000 ≈ Red #00CC00 ≈ Lime

Split-complementary

#0000CD ≈ Blue #CC6600 ≈ Chocolate #66CC00 ≈ Lawn Green

Tetradic

#0000CD ≈ Blue #CC0066 ≈ Medium Violet Red #CCCC00 ≈ Gold #00CC66 ≈ Medium Sea Green

Use Medium Blue in your stack

Tailwind (arbitrary value)

Works for any property: text-[#0000cd], border-[#0000cd].

CSS custom property

Reference it anywhere with var(--color).

Build a full theme

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

Extract a theme →

Similar named colors

Blue #0000FF Dark Blue #00008B Navy #000080 Indigo #4B0082 Midnight Blue #191970 Dark Slate Blue #483D8B

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