black

#000000

#577F63

#577F63

Contrast Ratio

4.62:1

Delta E

54.68

Very Different

50:50 Mix

Color Values

Format #000000 #577F63
HEX #000000 #577F63
RGB 0, 0, 0 87, 127, 99
HSL 0.0, 0.0%, 0.0% 138.0, 18.7%, 42.0%
HSV 0.0, 0.0%, 0.0% 138.0, 31.5%, 49.8%
CMYK 0%, 0%, 0%, 100% 31.5%, 0.0%, 22.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.5585 0.0624 153.5

Contrast & Accessibility

4.62:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #577F63 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #577F63

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #577F63);
background: linear-gradient(135deg, #000000, #577F63);

Explore Each Color

Related Comparisons