black

#000000

#663B49

#663B49

Contrast Ratio

2.29:1

Delta E

37.01

Very Different

50:50 Mix

Color Values

Format #000000 #663B49
HEX #000000 #663B49
RGB 0, 0, 0 102, 59, 73
HSL 0.0, 0.0%, 0.0% 340.5, 26.7%, 31.6%
HSV 0.0, 0.0%, 0.0% 340.5, 42.2%, 40.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 42.2%, 28.4%, 60.0%
OKLCH 0.0 0.0 0.0 0.4089 0.0634 359.3

Contrast & Accessibility

2.29:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663B49 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663B49

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663B49);
background: linear-gradient(135deg, #000000, #663B49);

Explore Each Color

Related Comparisons