black

#000000

#397F9D

#397F9D

Contrast Ratio

4.7:1

Delta E

56.34

Very Different

50:50 Mix

Color Values

Format #000000 #397F9D
HEX #000000 #397F9D
RGB 0, 0, 0 57, 127, 157
HSL 0.0, 0.0%, 0.0% 198.0, 46.7%, 42.0%
HSV 0.0, 0.0%, 0.0% 198.0, 63.7%, 61.6%
CMYK 0%, 0%, 0%, 100% 63.7%, 19.1%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.5644 0.0837 229.0

Contrast & Accessibility

4.7:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397F9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397F9D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397F9D);
background: linear-gradient(135deg, #000000, #397F9D);

Explore Each Color

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