black

#000000

#557BA6

#557BA6

Contrast Ratio

4.77:1

Delta E

57.33

Very Different

50:50 Mix

Color Values

Format #000000 #557BA6
HEX #000000 #557BA6
RGB 0, 0, 0 85, 123, 166
HSL 0.0, 0.0%, 0.0% 211.9, 32.3%, 49.2%
HSV 0.0, 0.0%, 0.0% 211.9, 48.8%, 65.1%
CMYK 0%, 0%, 0%, 100% 48.8%, 25.9%, 0.0%, 34.9%
OKLCH 0.0 0.0 0.0 0.5725 0.0795 252.2

Contrast & Accessibility

4.77:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557BA6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557BA6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557BA6);
background: linear-gradient(135deg, #000000, #557BA6);

Explore Each Color

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