black

#000000

#213CB5

#213CB5

Contrast Ratio

2.38:1

Delta E

81.67

Very Different

50:50 Mix

Color Values

Format #000000 #213CB5
HEX #000000 #213CB5
RGB 0, 0, 0 33, 60, 181
HSL 0.0, 0.0%, 0.0% 229.1, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 229.1, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 66.9%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.424 0.1926 267.1

Contrast & Accessibility

2.38:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #213CB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #213CB5

Color Difference (Delta E)

81.67 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #213CB5);
background: linear-gradient(135deg, #000000, #213CB5);

Explore Each Color

Related Comparisons