black

#000000

#423FD9

#423FD9

Contrast Ratio

2.94:1

Delta E

99.4

Very Different

50:50 Mix

Color Values

Format #000000 #423FD9
HEX #000000 #423FD9
RGB 0, 0, 0 66, 63, 217
HSL 0.0, 0.0%, 0.0% 241.2, 67.0%, 54.9%
HSV 0.0, 0.0%, 0.0% 241.2, 71.0%, 85.1%
CMYK 0%, 0%, 0%, 100% 69.6%, 71.0%, 0.0%, 14.9%
OKLCH 0.0 0.0 0.0 0.4807 0.2258 274.7

Contrast & Accessibility

2.94:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #423FD9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #423FD9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #423FD9);
background: linear-gradient(135deg, #000000, #423FD9);

Explore Each Color

Related Comparisons