black

#000000

#551BC0

#551BC0

Contrast Ratio

2.3:1

Delta E

100.6

Very Different

50:50 Mix

Color Values

Format #000000 #551BC0
HEX #000000 #551BC0
RGB 0, 0, 0 85, 27, 192
HSL 0.0, 0.0%, 0.0% 261.1, 75.3%, 42.9%
HSV 0.0, 0.0%, 0.0% 261.1, 85.9%, 75.3%
CMYK 0%, 0%, 0%, 100% 55.7%, 85.9%, 0.0%, 24.7%
OKLCH 0.0 0.0 0.0 0.4307 0.2253 288.5

Contrast & Accessibility

2.3:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #551BC0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #551BC0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #551BC0);
background: linear-gradient(135deg, #000000, #551BC0);

Explore Each Color

Related Comparisons