black

#000000

#665C6F

#665C6F

Contrast Ratio

3.33:1

Delta E

42.44

Very Different

50:50 Mix

Color Values

Format #000000 #665C6F
HEX #000000 #665C6F
RGB 0, 0, 0 102, 92, 111
HSL 0.0, 0.0%, 0.0% 271.6, 9.4%, 39.8%
HSV 0.0, 0.0%, 0.0% 271.6, 17.1%, 43.5%
CMYK 0%, 0%, 0%, 100% 8.1%, 17.1%, 0.0%, 56.5%
OKLCH 0.0 0.0 0.0 0.4911 0.0322 308.8

Contrast & Accessibility

3.33:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #665C6F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #665C6F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #665C6F);
background: linear-gradient(135deg, #000000, #665C6F);

Explore Each Color

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