black

#000000

#664EBA

#664EBA

Contrast Ratio

3.36:1

Delta E

76.98

Very Different

50:50 Mix

Color Values

Format #000000 #664EBA
HEX #000000 #664EBA
RGB 0, 0, 0 102, 78, 186
HSL 0.0, 0.0%, 0.0% 253.3, 43.9%, 51.8%
HSV 0.0, 0.0%, 0.0% 253.3, 58.1%, 72.9%
CMYK 0%, 0%, 0%, 100% 45.2%, 58.1%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.5061 0.163 289.5

Contrast & Accessibility

3.36:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #664EBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #664EBA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #664EBA);
background: linear-gradient(135deg, #000000, #664EBA);

Explore Each Color

Related Comparisons