black

#000000

#557BC7

#557BC7

Contrast Ratio

5.04:1

Delta E

68.59

Very Different

50:50 Mix

Color Values

Format #000000 #557BC7
HEX #000000 #557BC7
RGB 0, 0, 0 85, 123, 199
HSL 0.0, 0.0%, 0.0% 220.0, 50.4%, 55.7%
HSV 0.0, 0.0%, 0.0% 220.0, 57.3%, 78.0%
CMYK 0%, 0%, 0%, 100% 57.3%, 38.2%, 0.0%, 22.0%
OKLCH 0.0 0.0 0.0 0.59 0.1246 263.0

Contrast & Accessibility

5.04:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557BC7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557BC7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557BC7);
background: linear-gradient(135deg, #000000, #557BC7);

Explore Each Color

Related Comparisons