black

#000000

#558B81

#558B81

Contrast Ratio

5.4:1

Delta E

57.72

Very Different

50:50 Mix

Color Values

Format #000000 #558B81
HEX #000000 #558B81
RGB 0, 0, 0 85, 139, 129
HSL 0.0, 0.0%, 0.0% 168.9, 24.1%, 43.9%
HSV 0.0, 0.0%, 0.0% 168.9, 38.8%, 54.5%
CMYK 0%, 0%, 0%, 100% 38.8%, 0.0%, 7.2%, 45.5%
OKLCH 0.0 0.0 0.0 0.596 0.0598 181.1

Contrast & Accessibility

5.4:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #558B81 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #558B81

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #558B81);
background: linear-gradient(135deg, #000000, #558B81);

Explore Each Color

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