black

#000000

#377FAB

#377FAB

Contrast Ratio

4.79:1

Delta E

59.35

Very Different

50:50 Mix

Color Values

Format #000000 #377FAB
HEX #000000 #377FAB
RGB 0, 0, 0 55, 127, 171
HSL 0.0, 0.0%, 0.0% 202.8, 51.3%, 44.3%
HSV 0.0, 0.0%, 0.0% 202.8, 67.8%, 67.1%
CMYK 0%, 0%, 0%, 100% 67.8%, 25.7%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.5704 0.0986 238.8

Contrast & Accessibility

4.79:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #377FAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #377FAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #377FAB);
background: linear-gradient(135deg, #000000, #377FAB);

Explore Each Color

Related Comparisons