black

#000000

#337BA5

#337BA5

Contrast Ratio

4.52:1

Delta E

57.56

Very Different

50:50 Mix

Color Values

Format #000000 #337BA5
HEX #000000 #337BA5
RGB 0, 0, 0 51, 123, 165
HSL 0.0, 0.0%, 0.0% 202.1, 52.8%, 42.4%
HSV 0.0, 0.0%, 0.0% 202.1, 69.1%, 64.7%
CMYK 0%, 0%, 0%, 100% 69.1%, 25.5%, 0.0%, 35.3%
OKLCH 0.0 0.0 0.0 0.5563 0.0965 237.7

Contrast & Accessibility

4.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #337BA5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337BA5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #337BA5);
background: linear-gradient(135deg, #000000, #337BA5);

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