black

#000000

#457DA5

#457DA5

Contrast Ratio

4.73:1

Delta E

57.38

Very Different

50:50 Mix

Color Values

Format #000000 #457DA5
HEX #000000 #457DA5
RGB 0, 0, 0 69, 125, 165
HSL 0.0, 0.0%, 0.0% 205.0, 41.0%, 45.9%
HSV 0.0, 0.0%, 0.0% 205.0, 58.2%, 64.7%
CMYK 0%, 0%, 0%, 100% 58.2%, 24.2%, 0.0%, 35.3%
OKLCH 0.0 0.0 0.0 0.5684 0.0858 241.5

Contrast & Accessibility

4.73:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #457DA5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #457DA5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #457DA5);
background: linear-gradient(135deg, #000000, #457DA5);

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