black

#000000

#2137A2

#2137A2

Contrast Ratio

2.13:1

Delta E

73.59

Very Different

50:50 Mix

Color Values

Format #000000 #2137A2
HEX #000000 #2137A2
RGB 0, 0, 0 33, 55, 162
HSL 0.0, 0.0%, 0.0% 229.8, 66.2%, 38.2%
HSV 0.0, 0.0%, 0.0% 229.8, 79.6%, 63.5%
CMYK 0%, 0%, 0%, 100% 79.6%, 66.0%, 0.0%, 36.5%
OKLCH 0.0 0.0 0.0 0.3965 0.1737 268.0

Contrast & Accessibility

2.13:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2137A2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2137A2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2137A2);
background: linear-gradient(135deg, #000000, #2137A2);

Explore Each Color

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