black

#000000

#172F25

#172F25

Contrast Ratio

1.47:1

Delta E

21.48

Noticeable

50:50 Mix

Color Values

Format #000000 #172F25
HEX #000000 #172F25
RGB 0, 0, 0 23, 47, 37
HSL 0.0, 0.0%, 0.0% 155.0, 34.3%, 13.7%
HSV 0.0, 0.0%, 0.0% 155.0, 51.1%, 18.4%
CMYK 0%, 0%, 0%, 100% 51.1%, 0.0%, 21.3%, 81.6%
OKLCH 0.0 0.0 0.0 0.2819 0.0357 165.3

Contrast & Accessibility

1.47:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #172F25 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #172F25

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #172F25);
background: linear-gradient(135deg, #000000, #172F25);

Explore Each Color

Related Comparisons