black

#000000

#CF403D

#CF403D

Contrast Ratio

4.45:1

Delta E

81.57

Very Different

50:50 Mix

Color Values

Format #000000 #CF403D
HEX #000000 #CF403D
RGB 0, 0, 0 207, 64, 61
HSL 0.0, 0.0%, 0.0% 1.2, 60.3%, 52.5%
HSV 0.0, 0.0%, 0.0% 1.2, 70.5%, 81.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 69.1%, 70.5%, 18.8%
OKLCH 0.0 0.0 0.0 0.5784 0.1803 25.8

Contrast & Accessibility

4.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #CF403D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #CF403D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #CF403D);
background: linear-gradient(135deg, #000000, #CF403D);

Explore Each Color

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