black

#000000

#581C7B

#581C7B

Contrast Ratio

1.87:1

Delta E

65.27

Very Different

50:50 Mix

Color Values

Format #000000 #581C7B
HEX #000000 #581C7B
RGB 0, 0, 0 88, 28, 123
HSL 0.0, 0.0%, 0.0% 277.9, 62.9%, 29.6%
HSV 0.0, 0.0%, 0.0% 277.9, 77.2%, 48.2%
CMYK 0%, 0%, 0%, 100% 28.5%, 77.2%, 0.0%, 51.8%
OKLCH 0.0 0.0 0.0 0.3708 0.1537 309.6

Contrast & Accessibility

1.87:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #581C7B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #581C7B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #581C7B);
background: linear-gradient(135deg, #000000, #581C7B);

Explore Each Color

Related Comparisons