black

#000000

#537FD3

#537FD3

Contrast Ratio

5.34:1

Delta E

72.72

Very Different

50:50 Mix

Color Values

Format #000000 #537FD3
HEX #000000 #537FD3
RGB 0, 0, 0 83, 127, 211
HSL 0.0, 0.0%, 0.0% 219.4, 59.3%, 57.6%
HSV 0.0, 0.0%, 0.0% 219.4, 60.7%, 82.7%
CMYK 0%, 0%, 0%, 100% 60.7%, 39.8%, 0.0%, 17.3%
OKLCH 0.0 0.0 0.0 0.6045 0.1373 262.2

Contrast & Accessibility

5.34:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #537FD3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #537FD3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #537FD3);
background: linear-gradient(135deg, #000000, #537FD3);

Explore Each Color

Related Comparisons