black

#000000

#AA511F

#AA511F

Contrast Ratio

3.91:1

Delta E

71.44

Very Different

50:50 Mix

Color Values

Format #000000 #AA511F
HEX #000000 #AA511F
RGB 0, 0, 0 170, 81, 31
HSL 0.0, 0.0%, 0.0% 21.6, 69.2%, 39.4%
HSV 0.0, 0.0%, 0.0% 21.6, 81.8%, 66.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 52.4%, 81.8%, 33.3%
OKLCH 0.0 0.0 0.0 0.5382 0.1319 46.4

Contrast & Accessibility

3.91:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AA511F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AA511F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AA511F);
background: linear-gradient(135deg, #000000, #AA511F);

Explore Each Color

Related Comparisons