black

#000000

#437C8C

#437C8C

Contrast Ratio

4.5:1

Delta E

52.87

Very Different

50:50 Mix

Color Values

Format #000000 #437C8C
HEX #000000 #437C8C
RGB 0, 0, 0 67, 124, 140
HSL 0.0, 0.0%, 0.0% 193.2, 35.3%, 40.6%
HSV 0.0, 0.0%, 0.0% 193.2, 52.1%, 54.9%
CMYK 0%, 0%, 0%, 100% 52.1%, 11.4%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.5538 0.0647 218.1

Contrast & Accessibility

4.5:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #437C8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #437C8C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #437C8C);
background: linear-gradient(135deg, #000000, #437C8C);

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