black

#000000

#21399E

#21399E

Contrast Ratio

2.14:1

Delta E

70.28

Very Different

50:50 Mix

Color Values

Format #000000 #21399E
HEX #000000 #21399E
RGB 0, 0, 0 33, 57, 158
HSL 0.0, 0.0%, 0.0% 228.5, 65.4%, 37.5%
HSV 0.0, 0.0%, 0.0% 228.5, 79.1%, 62.0%
CMYK 0%, 0%, 0%, 100% 79.1%, 63.9%, 0.0%, 38.0%
OKLCH 0.0 0.0 0.0 0.3964 0.1659 267.5

Contrast & Accessibility

2.14:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21399E β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #21399E

Color Difference (Delta E)

70.28 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21399E);
background: linear-gradient(135deg, #000000, #21399E);

Explore Each Color

Related Comparisons