black

#000000

#AC3939

#AC3939

Contrast Ratio

3.4:1

Delta E

67.69

Very Different

50:50 Mix

Color Values

Format #000000 #AC3939
HEX #000000 #AC3939
RGB 0, 0, 0 172, 57, 57
HSL 0.0, 0.0%, 0.0% 0.0, 50.2%, 44.9%
HSV 0.0, 0.0%, 0.0% 0.0, 66.9%, 67.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.9%, 66.9%, 32.5%
OKLCH 0.0 0.0 0.0 0.5112 0.1506 24.2

Contrast & Accessibility

3.4:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AC3939 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AC3939

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AC3939);
background: linear-gradient(135deg, #000000, #AC3939);

Explore Each Color

Related Comparisons