black

#000000

#2181AF

#2181AF

Contrast Ratio

4.82:1

Delta E

60.99

Very Different

50:50 Mix

Color Values

Format #000000 #2181AF
HEX #000000 #2181AF
RGB 0, 0, 0 33, 129, 175
HSL 0.0, 0.0%, 0.0% 199.4, 68.3%, 40.8%
HSV 0.0, 0.0%, 0.0% 199.4, 81.1%, 68.6%
CMYK 0%, 0%, 0%, 100% 81.1%, 26.3%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.5711 0.1101 235.1

Contrast & Accessibility

4.82:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2181AF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2181AF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2181AF);
background: linear-gradient(135deg, #000000, #2181AF);

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