black

#000000

#397BBD

#397BBD

Contrast Ratio

4.74:1

Delta E

64.76

Very Different

50:50 Mix

Color Values

Format #000000 #397BBD
HEX #000000 #397BBD
RGB 0, 0, 0 57, 123, 189
HSL 0.0, 0.0%, 0.0% 210.0, 53.7%, 48.2%
HSV 0.0, 0.0%, 0.0% 210.0, 69.8%, 74.1%
CMYK 0%, 0%, 0%, 100% 69.8%, 34.9%, 0.0%, 25.9%
OKLCH 0.0 0.0 0.0 0.5714 0.1224 250.8

Contrast & Accessibility

4.74:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397BBD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397BBD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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