black

#000000

#640303

#640303

Contrast Ratio

1.56:1

Delta E

52.18

Very Different

50:50 Mix

#360D02

Color Values

Format #000000 #640303
HEX #000000 #640303
RGB 0, 0, 0 100, 3, 3
HSL 0.0, 0.0%, 0.0% 0.0, 94.2%, 20.2%
HSV 0.0, 0.0%, 0.0% 0.0, 97.0%, 39.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 97.0%, 97.0%, 60.8%
OKLCH 0.0 0.0 0.0 0.3183 0.1273 28.7

Contrast & Accessibility

1.56:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #640303 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #640303

Color Difference (Delta E)

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

Gradient

#000000 #1A0601 #280C01 #360D02 #450C02 #540903 #640303

Color Mixing

#000000

100%

#210901

75:25

#360D02

50:50

#4C0B03

25:75

#640303

100%

CSS Gradient Code

background: linear-gradient(to right, #000000, #640303);
background: linear-gradient(135deg, #000000, #640303);

Explore Each Color

black

View full color details

#640303

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