black

#000000

#307AB1

#307AB1

Contrast Ratio

4.54:1

Delta E

60.89

Very Different

50:50 Mix

Color Values

Format #000000 #307AB1
HEX #000000 #307AB1
RGB 0, 0, 0 48, 122, 177
HSL 0.0, 0.0%, 0.0% 205.6, 57.3%, 44.1%
HSV 0.0, 0.0%, 0.0% 205.6, 72.9%, 69.4%
CMYK 0%, 0%, 0%, 100% 72.9%, 31.1%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.5592 0.1121 244.4

Contrast & Accessibility

4.54:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307AB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307AB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307AB1);
background: linear-gradient(135deg, #000000, #307AB1);

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