black

#000000

#634EB5

#634EB5

Contrast Ratio

3.29:1

Delta E

74.3

Very Different

50:50 Mix

Color Values

Format #000000 #634EB5
HEX #000000 #634EB5
RGB 0, 0, 0 99, 78, 181
HSL 0.0, 0.0%, 0.0% 252.2, 41.0%, 50.8%
HSV 0.0, 0.0%, 0.0% 252.2, 56.9%, 71.0%
CMYK 0%, 0%, 0%, 100% 45.3%, 56.9%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.4997 0.1565 288.8

Contrast & Accessibility

3.29:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #634EB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #634EB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #634EB5);
background: linear-gradient(135deg, #000000, #634EB5);

Explore Each Color

Related Comparisons