black

#000000

#D53D3F

#D53D3F

Contrast Ratio

4.57:1

Delta E

84.12

Very Different

50:50 Mix

Color Values

Format #000000 #D53D3F
HEX #000000 #D53D3F
RGB 0, 0, 0 213, 61, 63
HSL 0.0, 0.0%, 0.0% 359.2, 64.4%, 53.7%
HSV 0.0, 0.0%, 0.0% 359.2, 71.4%, 83.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 71.4%, 70.4%, 16.5%
OKLCH 0.0 0.0 0.0 0.5858 0.1889 24.5

Contrast & Accessibility

4.57:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #D53D3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #D53D3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #D53D3F);
background: linear-gradient(135deg, #000000, #D53D3F);

Explore Each Color

Related Comparisons