black

#000000

#337FA0

#337FA0

Contrast Ratio

4.68:1

Delta E

57.07

Very Different

50:50 Mix

Color Values

Format #000000 #337FA0
HEX #000000 #337FA0
RGB 0, 0, 0 51, 127, 160
HSL 0.0, 0.0%, 0.0% 198.2, 51.7%, 41.4%
HSV 0.0, 0.0%, 0.0% 198.2, 68.1%, 62.7%
CMYK 0%, 0%, 0%, 100% 68.1%, 20.6%, 0.0%, 37.3%
OKLCH 0.0 0.0 0.0 0.5637 0.0896 230.0

Contrast & Accessibility

4.68:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #337FA0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337FA0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #337FA0);
background: linear-gradient(135deg, #000000, #337FA0);

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