black

#000000

#21040F

#21040F

Contrast Ratio

1.09:1

Delta E

14.27

Noticeable

50:50 Mix

Color Values

Format #000000 #21040F
HEX #000000 #21040F
RGB 0, 0, 0 33, 4, 15
HSL 0.0, 0.0%, 0.0% 337.2, 78.4%, 7.3%
HSV 0.0, 0.0%, 0.0% 337.2, 87.9%, 12.9%
CMYK 0%, 0%, 0%, 100% 0.0%, 87.9%, 54.5%, 87.1%
OKLCH 0.0 0.0 0.0 0.1715 0.054 359.4

Contrast & Accessibility

1.09:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21040F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21040F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21040F);
background: linear-gradient(135deg, #000000, #21040F);

Explore Each Color

Related Comparisons