black

#000000

#F7523C

#F7523C

Contrast Ratio

6.23:1

Delta E

97.16

Very Different

50:50 Mix

Color Values

Format #000000 #F7523C
HEX #000000 #F7523C
RGB 0, 0, 0 247, 82, 60
HSL 0.0, 0.0%, 0.0% 7.1, 92.1%, 60.2%
HSV 0.0, 0.0%, 0.0% 7.1, 75.7%, 96.9%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.8%, 75.7%, 3.1%
OKLCH 0.0 0.0 0.0 0.663 0.2048 30.7

Contrast & Accessibility

6.23:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F7523C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F7523C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F7523C);
background: linear-gradient(135deg, #000000, #F7523C);

Explore Each Color

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