black

#000000

#378F7D

#378F7D

Contrast Ratio

5.39:1

Delta E

62.14

Very Different

50:50 Mix

Color Values

Format #000000 #378F7D
HEX #000000 #378F7D
RGB 0, 0, 0 55, 143, 125
HSL 0.0, 0.0%, 0.0% 167.7, 44.4%, 38.8%
HSV 0.0, 0.0%, 0.0% 167.7, 61.5%, 56.1%
CMYK 0%, 0%, 0%, 100% 61.5%, 0.0%, 12.6%, 43.9%
OKLCH 0.0 0.0 0.0 0.592 0.0884 177.2

Contrast & Accessibility

5.39:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378F7D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378F7D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378F7D);
background: linear-gradient(135deg, #000000, #378F7D);

Explore Each Color

Related Comparisons