black

#000000

#213DB5

#213DB5

Contrast Ratio

2.4:1

Delta E

81.16

Very Different

50:50 Mix

Color Values

Format #000000 #213DB5
HEX #000000 #213DB5
RGB 0, 0, 0 33, 61, 181
HSL 0.0, 0.0%, 0.0% 228.6, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 228.6, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 66.3%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.4257 0.1915 267.0

Contrast & Accessibility

2.4:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #213DB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #213DB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #213DB5);
background: linear-gradient(135deg, #000000, #213DB5);

Explore Each Color

Related Comparisons