black

#000000

#378EE5

#378EE5

Contrast Ratio

6.16:1

Delta E

77.5

Very Different

50:50 Mix

Color Values

Format #000000 #378EE5
HEX #000000 #378EE5
RGB 0, 0, 0 55, 142, 229
HSL 0.0, 0.0%, 0.0% 210.0, 77.0%, 55.7%
HSV 0.0, 0.0%, 0.0% 210.0, 76.0%, 89.8%
CMYK 0%, 0%, 0%, 100% 76.0%, 38.0%, 0.0%, 10.2%
OKLCH 0.0 0.0 0.0 0.6369 0.1546 251.6

Contrast & Accessibility

6.16:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378EE5 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #378EE5

Color Difference (Delta E)

77.5 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, #378EE5);
background: linear-gradient(135deg, #000000, #378EE5);

Explore Each Color

Related Comparisons