black

#000000

#377AB3

#377AB3

Contrast Ratio

4.6:1

Delta E

61.44

Very Different

50:50 Mix

Color Values

Format #000000 #377AB3
HEX #000000 #377AB3
RGB 0, 0, 0 55, 122, 179
HSL 0.0, 0.0%, 0.0% 207.6, 53.0%, 45.9%
HSV 0.0, 0.0%, 0.0% 207.6, 69.3%, 70.2%
CMYK 0%, 0%, 0%, 100% 69.3%, 31.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5627 0.1116 247.1

Contrast & Accessibility

4.6:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #377AB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #377AB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #377AB3);
background: linear-gradient(135deg, #000000, #377AB3);

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