black

#000000

#397AAF

#397AAF

Contrast Ratio

4.58:1

Delta E

60.15

Very Different

50:50 Mix

Color Values

Format #000000 #397AAF
HEX #000000 #397AAF
RGB 0, 0, 0 57, 122, 175
HSL 0.0, 0.0%, 0.0% 206.9, 50.9%, 45.5%
HSV 0.0, 0.0%, 0.0% 206.9, 67.4%, 68.6%
CMYK 0%, 0%, 0%, 100% 67.4%, 30.3%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.5613 0.1059 245.9

Contrast & Accessibility

4.58:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397AAF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397AAF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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