black

#000000

#309AA3

#309AA3

Contrast Ratio

6.28:1

Delta E

65.47

Very Different

50:50 Mix

Color Values

Format #000000 #309AA3
HEX #000000 #309AA3
RGB 0, 0, 0 48, 154, 163
HSL 0.0, 0.0%, 0.0% 184.7, 54.5%, 41.4%
HSV 0.0, 0.0%, 0.0% 184.7, 70.6%, 63.9%
CMYK 0%, 0%, 0%, 100% 70.6%, 5.5%, 0.0%, 36.1%
OKLCH 0.0 0.0 0.0 0.6313 0.0941 203.3

Contrast & Accessibility

6.28:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #309AA3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #309AA3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #309AA3);
background: linear-gradient(135deg, #000000, #309AA3);

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