black

#000000

#228FB2

#228FB2

Contrast Ratio

5.64:1

Delta E

63.82

Very Different

50:50 Mix

Color Values

Format #000000 #228FB2
HEX #000000 #228FB2
RGB 0, 0, 0 34, 143, 178
HSL 0.0, 0.0%, 0.0% 194.6, 67.9%, 41.6%
HSV 0.0, 0.0%, 0.0% 194.6, 80.9%, 69.8%
CMYK 0%, 0%, 0%, 100% 80.9%, 19.7%, 0.0%, 30.2%
OKLCH 0.0 0.0 0.0 0.6072 0.1061 225.1

Contrast & Accessibility

5.64:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #228FB2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #228FB2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #228FB2);
background: linear-gradient(135deg, #000000, #228FB2);

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