black

#000000

#171A21

#171A21

Contrast Ratio

1.21:1

Delta E

10.68

Noticeable

50:50 Mix

Color Values

Format #000000 #171A21
HEX #000000 #171A21
RGB 0, 0, 0 23, 26, 33
HSL 0.0, 0.0%, 0.0% 222.0, 17.9%, 11.0%
HSV 0.0, 0.0%, 0.0% 222.0, 30.3%, 12.9%
CMYK 0%, 0%, 0%, 100% 30.3%, 21.2%, 0.0%, 87.1%
OKLCH 0.0 0.0 0.0 0.2178 0.0145 266.9

Contrast & Accessibility

1.21:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #171A21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #171A21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #171A21);
background: linear-gradient(135deg, #000000, #171A21);

Explore Each Color

Related Comparisons