black

#000000

#FF453A

#FF453A

Contrast Ratio

6.16:1

Delta E

102.15

Very Different

50:50 Mix

Color Values

Format #000000 #FF453A
HEX #000000 #FF453A
RGB 0, 0, 0 255, 69, 58
HSL 0.0, 0.0%, 0.0% 3.4, 100.0%, 61.4%
HSV 0.0, 0.0%, 0.0% 3.4, 77.3%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 72.9%, 77.3%, 0.0%
OKLCH 0.0 0.0 0.0 0.6633 0.2236 28.3

Contrast & Accessibility

6.16:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF453A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF453A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF453A);
background: linear-gradient(135deg, #000000, #FF453A);

Explore Each Color

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