black

#000000

#557ACE

#557ACE

Contrast Ratio

5.06:1

Delta E

71.61

Very Different

50:50 Mix

Color Values

Format #000000 #557ACE
HEX #000000 #557ACE
RGB 0, 0, 0 85, 122, 206
HSL 0.0, 0.0%, 0.0% 221.7, 55.3%, 57.1%
HSV 0.0, 0.0%, 0.0% 221.7, 58.7%, 80.8%
CMYK 0%, 0%, 0%, 100% 58.7%, 40.8%, 0.0%, 19.2%
OKLCH 0.0 0.0 0.0 0.5919 0.1355 264.7

Contrast & Accessibility

5.06:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557ACE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557ACE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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