black

#000000

#378DAF

#378DAF

Contrast Ratio

5.59:1

Delta E

62.35

Very Different

50:50 Mix

Color Values

Format #000000 #378DAF
HEX #000000 #378DAF
RGB 0, 0, 0 55, 141, 175
HSL 0.0, 0.0%, 0.0% 197.0, 52.2%, 45.1%
HSV 0.0, 0.0%, 0.0% 197.0, 68.6%, 68.6%
CMYK 0%, 0%, 0%, 100% 68.6%, 19.4%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.6062 0.0959 227.8

Contrast & Accessibility

5.59:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378DAF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378DAF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378DAF);
background: linear-gradient(135deg, #000000, #378DAF);

Explore Each Color

Related Comparisons