black

#000000

#557DCB

#557DCB

Contrast Ratio

5.18:1

Delta E

69.87

Very Different

50:50 Mix

Color Values

Format #000000 #557DCB
HEX #000000 #557DCB
RGB 0, 0, 0 85, 125, 203
HSL 0.0, 0.0%, 0.0% 219.7, 53.2%, 56.5%
HSV 0.0, 0.0%, 0.0% 219.7, 58.1%, 79.6%
CMYK 0%, 0%, 0%, 100% 58.1%, 38.4%, 0.0%, 20.4%
OKLCH 0.0 0.0 0.0 0.5966 0.1278 262.6

Contrast & Accessibility

5.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557DCB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557DCB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557DCB);
background: linear-gradient(135deg, #000000, #557DCB);

Explore Each Color

Related Comparisons