black

#000000

#1579CF

#1579CF

Contrast Ratio

4.67:1

Delta E

72.1

Very Different

50:50 Mix

Color Values

Format #000000 #1579CF
HEX #000000 #1579CF
RGB 0, 0, 0 21, 121, 207
HSL 0.0, 0.0%, 0.0% 207.7, 81.6%, 44.7%
HSV 0.0, 0.0%, 0.0% 207.7, 89.9%, 81.2%
CMYK 0%, 0%, 0%, 100% 89.9%, 41.5%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.5687 0.157 251.0

Contrast & Accessibility

4.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #1579CF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #1579CF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #1579CF);
background: linear-gradient(135deg, #000000, #1579CF);

Explore Each Color

Related Comparisons