black

#000000

#FF4F43

#FF4F43

Contrast Ratio

6.45:1

Delta E

99.3

Very Different

50:50 Mix

Color Values

Format #000000 #FF4F43
HEX #000000 #FF4F43
RGB 0, 0, 0 255, 79, 67
HSL 0.0, 0.0%, 0.0% 3.8, 100.0%, 63.1%
HSV 0.0, 0.0%, 0.0% 3.8, 73.7%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 69.0%, 73.7%, 0.0%
OKLCH 0.0 0.0 0.0 0.6736 0.2142 28.2

Contrast & Accessibility

6.45:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF4F43 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF4F43

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF4F43);
background: linear-gradient(135deg, #000000, #FF4F43);

Explore Each Color

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