black

#000000

#307AAB

#307AAB

Contrast Ratio

4.5:1

Delta E

59.12

Very Different

50:50 Mix

Color Values

Format #000000 #307AAB
HEX #000000 #307AAB
RGB 0, 0, 0 48, 122, 171
HSL 0.0, 0.0%, 0.0% 203.9, 56.2%, 42.9%
HSV 0.0, 0.0%, 0.0% 203.9, 71.9%, 67.1%
CMYK 0%, 0%, 0%, 100% 71.9%, 28.7%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.556 0.1051 241.4

Contrast & Accessibility

4.5:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307AAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307AAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307AAB);
background: linear-gradient(135deg, #000000, #307AAB);

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