black

#000000

#457FD0

#457FD0

Contrast Ratio

5.2:1

Delta E

71.43

Very Different

50:50 Mix

Color Values

Format #000000 #457FD0
HEX #000000 #457FD0
RGB 0, 0, 0 69, 127, 208
HSL 0.0, 0.0%, 0.0% 215.0, 59.7%, 54.3%
HSV 0.0, 0.0%, 0.0% 215.0, 66.8%, 81.6%
CMYK 0%, 0%, 0%, 100% 66.8%, 38.9%, 0.0%, 18.4%
OKLCH 0.0 0.0 0.0 0.5962 0.1385 257.1

Contrast & Accessibility

5.2:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #457FD0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #457FD0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #457FD0);
background: linear-gradient(135deg, #000000, #457FD0);

Explore Each Color

Related Comparisons