black

#000000

#646BA1

#646BA1

Contrast Ratio

4.16:1

Delta E

56.62

Very Different

50:50 Mix

Color Values

Format #000000 #646BA1
HEX #000000 #646BA1
RGB 0, 0, 0 100, 107, 161
HSL 0.0, 0.0%, 0.0% 233.1, 24.5%, 51.2%
HSV 0.0, 0.0%, 0.0% 233.1, 37.9%, 63.1%
CMYK 0%, 0%, 0%, 100% 37.9%, 33.5%, 0.0%, 36.9%
OKLCH 0.0 0.0 0.0 0.5447 0.0846 277.5

Contrast & Accessibility

4.16:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646BA1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646BA1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #646BA1);
background: linear-gradient(135deg, #000000, #646BA1);

Explore Each Color

Related Comparisons