black

#000000

#A91C2D

#A91C2D

Contrast Ratio

2.89:1

Delta E

72.17

Very Different

50:50 Mix

Color Values

Format #000000 #A91C2D
HEX #000000 #A91C2D
RGB 0, 0, 0 169, 28, 45
HSL 0.0, 0.0%, 0.0% 352.8, 71.6%, 38.6%
HSV 0.0, 0.0%, 0.0% 352.8, 83.4%, 66.3%
CMYK 0%, 0%, 0%, 100% 0.0%, 83.4%, 73.4%, 33.7%
OKLCH 0.0 0.0 0.0 0.4772 0.1742 21.6

Contrast & Accessibility

2.89:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #A91C2D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #A91C2D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #A91C2D);
background: linear-gradient(135deg, #000000, #A91C2D);

Explore Each Color

Related Comparisons