black

#000000

#397AA9

#397AA9

Contrast Ratio

4.53:1

Delta E

58.39

Very Different

50:50 Mix

Color Values

Format #000000 #397AA9
HEX #000000 #397AA9
RGB 0, 0, 0 57, 122, 169
HSL 0.0, 0.0%, 0.0% 205.2, 49.6%, 44.3%
HSV 0.0, 0.0%, 0.0% 205.2, 66.3%, 66.3%
CMYK 0%, 0%, 0%, 100% 66.3%, 27.8%, 0.0%, 33.7%
OKLCH 0.0 0.0 0.0 0.5581 0.0988 242.8

Contrast & Accessibility

4.53:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397AA9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397AA9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397AA9);
background: linear-gradient(135deg, #000000, #397AA9);

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