black

#000000

#551BBA

#551BBA

Contrast Ratio

2.25:1

Delta E

97.65

Very Different

50:50 Mix

Color Values

Format #000000 #551BBA
HEX #000000 #551BBA
RGB 0, 0, 0 85, 27, 186
HSL 0.0, 0.0%, 0.0% 261.9, 74.6%, 41.8%
HSV 0.0, 0.0%, 0.0% 261.9, 85.5%, 72.9%
CMYK 0%, 0%, 0%, 100% 54.3%, 85.5%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.4245 0.2191 289.7

Contrast & Accessibility

2.25:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #551BBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #551BBA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons