black

#000000

#6B1521

#6B1521

Contrast Ratio

1.75:1

Delta E

47.05

Very Different

50:50 Mix

Color Values

Format #000000 #6B1521
HEX #000000 #6B1521
RGB 0, 0, 0 107, 21, 33
HSL 0.0, 0.0%, 0.0% 351.6, 67.2%, 25.1%
HSV 0.0, 0.0%, 0.0% 351.6, 80.4%, 42.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 80.4%, 69.2%, 58.0%
OKLCH 0.0 0.0 0.0 0.3502 0.1187 18.6

Contrast & Accessibility

1.75:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #6B1521 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #6B1521

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #6B1521);
background: linear-gradient(135deg, #000000, #6B1521);

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