black

#000000

#638BA6

#638BA6

Contrast Ratio

5.77:1

Delta E

59.36

Very Different

50:50 Mix

Color Values

Format #000000 #638BA6
HEX #000000 #638BA6
RGB 0, 0, 0 99, 139, 166
HSL 0.0, 0.0%, 0.0% 204.2, 27.3%, 52.0%
HSV 0.0, 0.0%, 0.0% 204.2, 40.4%, 65.1%
CMYK 0%, 0%, 0%, 100% 40.4%, 16.3%, 0.0%, 34.9%
OKLCH 0.0 0.0 0.0 0.6175 0.0603 238.5

Contrast & Accessibility

5.77:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638BA6 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #638BA6

Color Difference (Delta E)

59.36 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, #638BA6);
background: linear-gradient(135deg, #000000, #638BA6);

Explore Each Color

Related Comparisons