black

#000000

#3F554B

#3F554B

Contrast Ratio

2.61:1

Delta E

35.92

Very Different

50:50 Mix

Color Values

Format #000000 #3F554B
HEX #000000 #3F554B
RGB 0, 0, 0 63, 85, 75
HSL 0.0, 0.0%, 0.0% 152.7, 14.9%, 29.0%
HSV 0.0, 0.0%, 0.0% 152.7, 25.9%, 33.3%
CMYK 0%, 0%, 0%, 100% 25.9%, 0.0%, 11.8%, 66.7%
OKLCH 0.0 0.0 0.0 0.428 0.0317 165.3

Contrast & Accessibility

2.61:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F554B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F554B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F554B);
background: linear-gradient(135deg, #000000, #3F554B);

Explore Each Color

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