black

#000000

#337BA4

#337BA4

Contrast Ratio

4.51:1

Delta E

57.31

Very Different

50:50 Mix

Color Values

Format #000000 #337BA4
HEX #000000 #337BA4
RGB 0, 0, 0 51, 123, 164
HSL 0.0, 0.0%, 0.0% 201.8, 52.6%, 42.2%
HSV 0.0, 0.0%, 0.0% 201.8, 68.9%, 64.3%
CMYK 0%, 0%, 0%, 100% 68.9%, 25.0%, 0.0%, 35.7%
OKLCH 0.0 0.0 0.0 0.5558 0.0954 237.1

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #337BA4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337BA4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #337BA4);
background: linear-gradient(135deg, #000000, #337BA4);

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