black

#000000

#5571BF

#5571BF

Contrast Ratio

4.5:1

Delta E

67.11

Very Different

50:50 Mix

Color Values

Format #000000 #5571BF
HEX #000000 #5571BF
RGB 0, 0, 0 85, 113, 191
HSL 0.0, 0.0%, 0.0% 224.2, 45.3%, 54.1%
HSV 0.0, 0.0%, 0.0% 224.2, 55.5%, 74.9%
CMYK 0%, 0%, 0%, 100% 55.5%, 40.8%, 0.0%, 25.1%
OKLCH 0.0 0.0 0.0 0.5639 0.1253 267.4

Contrast & Accessibility

4.5:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #5571BF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #5571BF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #5571BF);
background: linear-gradient(135deg, #000000, #5571BF);

Explore Each Color

Related Comparisons