black

#000000

#397DA1

#397DA1

Contrast Ratio

4.62:1

Delta E

56.75

Very Different

50:50 Mix

Color Values

Format #000000 #397DA1
HEX #000000 #397DA1
RGB 0, 0, 0 57, 125, 161
HSL 0.0, 0.0%, 0.0% 200.8, 47.7%, 42.7%
HSV 0.0, 0.0%, 0.0% 200.8, 64.6%, 63.1%
CMYK 0%, 0%, 0%, 100% 64.6%, 22.4%, 0.0%, 36.9%
OKLCH 0.0 0.0 0.0 0.5614 0.0882 234.5

Contrast & Accessibility

4.62:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397DA1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397DA1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397DA1);
background: linear-gradient(135deg, #000000, #397DA1);

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