black

#000000

#228FB5

#228FB5

Contrast Ratio

5.66:1

Delta E

64.31

Very Different

50:50 Mix

Color Values

Format #000000 #228FB5
HEX #000000 #228FB5
RGB 0, 0, 0 34, 143, 181
HSL 0.0, 0.0%, 0.0% 195.5, 68.4%, 42.2%
HSV 0.0, 0.0%, 0.0% 195.5, 81.2%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.2%, 21.0%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.6086 0.1084 227.1

Contrast & Accessibility

5.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #228FB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #228FB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #228FB5);
background: linear-gradient(135deg, #000000, #228FB5);

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