black

#000000

#557BBA

#557BBA

Contrast Ratio

4.93:1

Delta E

63.69

Very Different

50:50 Mix

Color Values

Format #000000 #557BBA
HEX #000000 #557BBA
RGB 0, 0, 0 85, 123, 186
HSL 0.0, 0.0%, 0.0% 217.4, 42.3%, 53.1%
HSV 0.0, 0.0%, 0.0% 217.4, 54.3%, 72.9%
CMYK 0%, 0%, 0%, 100% 54.3%, 33.9%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.5827 0.1066 260.1

Contrast & Accessibility

4.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557BBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557BBA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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