black

#000000

#B31C28

#B31C28

Contrast Ratio

3.11:1

Delta E

77.59

Very Different

50:50 Mix

Color Values

Format #000000 #B31C28
HEX #000000 #B31C28
RGB 0, 0, 0 179, 28, 40
HSL 0.0, 0.0%, 0.0% 355.2, 72.9%, 40.6%
HSV 0.0, 0.0%, 0.0% 355.2, 84.4%, 70.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 84.4%, 77.7%, 29.8%
OKLCH 0.0 0.0 0.0 0.4953 0.1839 24.0

Contrast & Accessibility

3.11:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #B31C28 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #B31C28

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #B31C28);
background: linear-gradient(135deg, #000000, #B31C28);

Explore Each Color

Related Comparisons