black

#000000

#AC3E28

#AC3E28

Contrast Ratio

3.47:1

Delta E

70.84

Very Different

50:50 Mix

Color Values

Format #000000 #AC3E28
HEX #000000 #AC3E28
RGB 0, 0, 0 172, 62, 40
HSL 0.0, 0.0%, 0.0% 10.0, 62.3%, 41.6%
HSV 0.0, 0.0%, 0.0% 10.0, 76.7%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 64.0%, 76.7%, 32.5%
OKLCH 0.0 0.0 0.0 0.515 0.1487 33.2

Contrast & Accessibility

3.47:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC3E28 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC3E28

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC3E28);
background: linear-gradient(135deg, #000000, #AC3E28);

Explore Each Color

Related Comparisons