black

#000000

#F50A2F

#F50A2F

Contrast Ratio

4.97:1

Delta E

104.64

Very Different

50:50 Mix

Color Values

Format #000000 #F50A2F
HEX #000000 #F50A2F
RGB 0, 0, 0 245, 10, 47
HSL 0.0, 0.0%, 0.0% 350.6, 92.2%, 50.0%
HSV 0.0, 0.0%, 0.0% 350.6, 95.9%, 96.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 95.9%, 80.8%, 3.9%
OKLCH 0.0 0.0 0.0 0.6135 0.2455 24.3

Contrast & Accessibility

4.97:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F50A2F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F50A2F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F50A2F);
background: linear-gradient(135deg, #000000, #F50A2F);

Explore Each Color

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