black

#000000

#51897F

#51897F

Contrast Ratio

5.23:1

Delta E

57.13

Very Different

50:50 Mix

Color Values

Format #000000 #51897F
HEX #000000 #51897F
RGB 0, 0, 0 81, 137, 127
HSL 0.0, 0.0%, 0.0% 169.3, 25.7%, 42.7%
HSV 0.0, 0.0%, 0.0% 169.3, 40.9%, 53.7%
CMYK 0%, 0%, 0%, 100% 40.9%, 0.0%, 7.3%, 46.3%
OKLCH 0.0 0.0 0.0 0.5883 0.0615 181.4

Contrast & Accessibility

5.23:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51897F β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #51897F

Color Difference (Delta E)

57.13 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, #51897F);
background: linear-gradient(135deg, #000000, #51897F);

Explore Each Color

Related Comparisons