black

#000000

#288FAB

#288FAB

Contrast Ratio

5.61:1

Delta E

62.71

Very Different

50:50 Mix

Color Values

Format #000000 #288FAB
HEX #000000 #288FAB
RGB 0, 0, 0 40, 143, 171
HSL 0.0, 0.0%, 0.0% 192.8, 62.1%, 41.4%
HSV 0.0, 0.0%, 0.0% 192.8, 76.6%, 67.1%
CMYK 0%, 0%, 0%, 100% 76.6%, 16.4%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.6052 0.0991 220.5

Contrast & Accessibility

5.61:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288FAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288FAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288FAB);
background: linear-gradient(135deg, #000000, #288FAB);

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