black

#000000

#F0210F

#F0210F

Contrast Ratio

4.93:1

Delta E

108.03

Very Different

50:50 Mix

Color Values

Format #000000 #F0210F
HEX #000000 #F0210F
RGB 0, 0, 0 240, 33, 15
HSL 0.0, 0.0%, 0.0% 4.8, 88.2%, 50.0%
HSV 0.0, 0.0%, 0.0% 4.8, 93.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 86.2%, 93.8%, 5.9%
OKLCH 0.0 0.0 0.0 0.6096 0.2367 30.0

Contrast & Accessibility

4.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F0210F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F0210F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F0210F);
background: linear-gradient(135deg, #000000, #F0210F);

Explore Each Color

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