black

#000000

#378F9D

#378F9D

Contrast Ratio

5.58:1

Delta E

60.94

Very Different

50:50 Mix

Color Values

Format #000000 #378F9D
HEX #000000 #378F9D
RGB 0, 0, 0 55, 143, 157
HSL 0.0, 0.0%, 0.0% 188.2, 48.1%, 41.6%
HSV 0.0, 0.0%, 0.0% 188.2, 65.0%, 61.6%
CMYK 0%, 0%, 0%, 100% 65.0%, 8.9%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.6034 0.0849 209.7

Contrast & Accessibility

5.58:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378F9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378F9D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378F9D);
background: linear-gradient(135deg, #000000, #378F9D);

Explore Each Color

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