black

#000000

#EC3513

#EC3513

Contrast Ratio

5.09:1

Delta E

104.04

Very Different

50:50 Mix

Color Values

Format #000000 #EC3513
HEX #000000 #EC3513
RGB 0, 0, 0 236, 53, 19
HSL 0.0, 0.0%, 0.0% 9.4, 85.1%, 50.0%
HSV 0.0, 0.0%, 0.0% 9.4, 91.9%, 92.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 77.5%, 91.9%, 7.5%
OKLCH 0.0 0.0 0.0 0.6148 0.222 32.2

Contrast & Accessibility

5.09:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EC3513 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #EC3513

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #EC3513);
background: linear-gradient(135deg, #000000, #EC3513);

Explore Each Color

Related Comparisons