black

#000000

#3F656F

#3F656F

Contrast Ratio

3.3:1

Delta E

42.95

Very Different

50:50 Mix

Color Values

Format #000000 #3F656F
HEX #000000 #3F656F
RGB 0, 0, 0 63, 101, 111
HSL 0.0, 0.0%, 0.0% 192.5, 27.6%, 34.1%
HSV 0.0, 0.0%, 0.0% 192.5, 43.2%, 43.5%
CMYK 0%, 0%, 0%, 100% 43.2%, 9.0%, 0.0%, 56.5%
OKLCH 0.0 0.0 0.0 0.4823 0.0459 216.3

Contrast & Accessibility

3.3:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F656F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F656F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F656F);
background: linear-gradient(135deg, #000000, #3F656F);

Explore Each Color

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