black

#000000

#577BB3

#577BB3

Contrast Ratio

4.89:1

Delta E

61.3

Very Different

50:50 Mix

Color Values

Format #000000 #577BB3
HEX #000000 #577BB3
RGB 0, 0, 0 87, 123, 179
HSL 0.0, 0.0%, 0.0% 216.5, 37.7%, 52.2%
HSV 0.0, 0.0%, 0.0% 216.5, 51.4%, 70.2%
CMYK 0%, 0%, 0%, 100% 51.4%, 31.3%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5802 0.096 259.0

Contrast & Accessibility

4.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #577BB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #577BB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #577BB3);
background: linear-gradient(135deg, #000000, #577BB3);

Explore Each Color

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