black

#000000

#664C57

#664C57

Contrast Ratio

2.74:1

Delta E

37.72

Very Different

50:50 Mix

#34282D

Color Values

Format #000000 #664C57
HEX #000000 #664C57
RGB 0, 0, 0 102, 76, 87
HSL 0.0, 0.0%, 0.0% 334.6, 14.6%, 34.9%
HSV 0.0, 0.0%, 0.0% 334.6, 25.5%, 40.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 25.5%, 14.7%, 60.0%
OKLCH 0.0 0.0 0.0 0.4478 0.0387 351.6

Contrast & Accessibility

2.74:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #664C57 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #664C57

Color Difference (Delta E)

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

Gradient

#000000 #161214 #251D20 #34282D #44343B #554049 #664C57

Color Mixing

#000000

100%

#1D181A

75:25

#34282D

50:50

#4C3A41

25:75

#664C57

100%

CSS Gradient Code

background: linear-gradient(to right, #000000, #664C57);
background: linear-gradient(135deg, #000000, #664C57);

Explore Each Color

black

View full color details

#664C57

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