black

#000000

#2373B3

#2373B3

Contrast Ratio

4.17:1

Delta E

61.97

Very Different

50:50 Mix

Color Values

Format #000000 #2373B3
HEX #000000 #2373B3
RGB 0, 0, 0 35, 115, 179
HSL 0.0, 0.0%, 0.0% 206.7, 67.3%, 42.0%
HSV 0.0, 0.0%, 0.0% 206.7, 80.4%, 70.2%
CMYK 0%, 0%, 0%, 100% 80.4%, 35.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5401 0.1252 247.4

Contrast & Accessibility

4.17:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2373B3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2373B3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2373B3);
background: linear-gradient(135deg, #000000, #2373B3);

Explore Each Color

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