black

#000000

#647CDD

#647CDD

Contrast Ratio

5.47:1

Delta E

77.88

Very Different

50:50 Mix

Color Values

Format #000000 #647CDD
HEX #000000 #647CDD
RGB 0, 0, 0 100, 124, 221
HSL 0.0, 0.0%, 0.0% 228.1, 64.0%, 62.9%
HSV 0.0, 0.0%, 0.0% 228.1, 54.8%, 86.7%
CMYK 0%, 0%, 0%, 100% 54.8%, 43.9%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.6138 0.149 271.0

Contrast & Accessibility

5.47:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #647CDD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #647CDD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #647CDD);
background: linear-gradient(135deg, #000000, #647CDD);

Explore Each Color

Related Comparisons