black

#000000

#E45739

#E45739

Contrast Ratio

5.72:1

Delta E

89.4

Very Different

50:50 Mix

Color Values

Format #000000 #E45739
HEX #000000 #E45739
RGB 0, 0, 0 228, 87, 57
HSL 0.0, 0.0%, 0.0% 10.5, 76.0%, 55.9%
HSV 0.0, 0.0%, 0.0% 10.5, 75.0%, 89.4%
CMYK 0%, 0%, 0%, 100% 0.0%, 61.8%, 75.0%, 10.6%
OKLCH 0.0 0.0 0.0 0.6383 0.1815 33.7

Contrast & Accessibility

5.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #E45739 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #E45739

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #E45739);
background: linear-gradient(135deg, #000000, #E45739);

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