black

#000000

#577D80

#577D80

Contrast Ratio

4.65:1

Delta E

51.67

Very Different

50:50 Mix

Color Values

Format #000000 #577D80
HEX #000000 #577D80
RGB 0, 0, 0 87, 125, 128
HSL 0.0, 0.0%, 0.0% 184.4, 19.1%, 42.2%
HSV 0.0, 0.0%, 0.0% 184.4, 32.0%, 50.2%
CMYK 0%, 0%, 0%, 100% 32.0%, 2.3%, 0.0%, 49.8%
OKLCH 0.0 0.0 0.0 0.5625 0.0428 202.2

Contrast & Accessibility

4.65:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #577D80 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #577D80

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #577D80);
background: linear-gradient(135deg, #000000, #577D80);

Explore Each Color

Related Comparisons