black

#000000

#21577F

#21577F

Contrast Ratio

2.73:1

Delta E

45.0

Very Different

50:50 Mix

Color Values

Format #000000 #21577F
HEX #000000 #21577F
RGB 0, 0, 0 33, 87, 127
HSL 0.0, 0.0%, 0.0% 205.5, 58.8%, 31.4%
HSV 0.0, 0.0%, 0.0% 205.5, 74.0%, 49.8%
CMYK 0%, 0%, 0%, 100% 74.0%, 31.5%, 0.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.4406 0.0869 244.2

Contrast & Accessibility

2.73:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21577F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21577F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21577F);
background: linear-gradient(135deg, #000000, #21577F);

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