black

#000000

#AA641C

#AA641C

Contrast Ratio

4.55:1

Delta E

73.4

Very Different

50:50 Mix

Color Values

Format #000000 #AA641C
HEX #000000 #AA641C
RGB 0, 0, 0 170, 100, 28
HSL 0.0, 0.0%, 0.0% 30.4, 71.7%, 38.8%
HSV 0.0, 0.0%, 0.0% 30.4, 83.5%, 66.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 41.2%, 83.5%, 33.3%
OKLCH 0.0 0.0 0.0 0.5704 0.1213 60.7

Contrast & Accessibility

4.55:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AA641C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AA641C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AA641C);
background: linear-gradient(135deg, #000000, #AA641C);

Explore Each Color

Related Comparisons