black

#000000

#172F4D

#172F4D

Contrast Ratio

1.55:1

Delta E

28.59

Very Different

50:50 Mix

Color Values

Format #000000 #172F4D
HEX #000000 #172F4D
RGB 0, 0, 0 23, 47, 77
HSL 0.0, 0.0%, 0.0% 213.3, 54.0%, 19.6%
HSV 0.0, 0.0%, 0.0% 213.3, 70.1%, 30.2%
CMYK 0%, 0%, 0%, 100% 70.1%, 39.0%, 0.0%, 69.8%
OKLCH 0.0 0.0 0.0 0.3021 0.0624 255.0

Contrast & Accessibility

1.55:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #172F4D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #172F4D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #172F4D);
background: linear-gradient(135deg, #000000, #172F4D);

Explore Each Color

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