black

#000000

#660F1F

#660F1F

Contrast Ratio

1.65:1

Delta E

46.01

Very Different

50:50 Mix

#361013

Color Values

Format #000000 #660F1F
HEX #000000 #660F1F
RGB 0, 0, 0 102, 15, 31
HSL 0.0, 0.0%, 0.0% 349.0, 74.4%, 22.9%
HSV 0.0, 0.0%, 0.0% 349.0, 85.3%, 40.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 85.3%, 69.6%, 60.0%
OKLCH 0.0 0.0 0.0 0.3346 0.1188 17.2

Contrast & Accessibility

1.65:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #660F1F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #660F1F

Color Difference (Delta E)

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

Gradient

#000000 #190807 #270E0E #361013 #451117 #55111B #660F1F

Color Mixing

#000000

100%

#200B0B

75:25

#361013

50:50

#4D1119

25:75

#660F1F

100%

CSS Gradient Code

background: linear-gradient(to right, #000000, #660F1F);
background: linear-gradient(135deg, #000000, #660F1F);

Explore Each Color

black

View full color details

#660F1F

View full color details

Related Comparisons