black

#000000

#247CB2

#247CB2

Contrast Ratio

4.6:1

Delta E

61.4

Very Different

50:50 Mix

Color Values

Format #000000 #247CB2
HEX #000000 #247CB2
RGB 0, 0, 0 36, 124, 178
HSL 0.0, 0.0%, 0.0% 202.8, 66.4%, 42.0%
HSV 0.0, 0.0%, 0.0% 202.8, 79.8%, 69.8%
CMYK 0%, 0%, 0%, 100% 79.8%, 30.3%, 0.0%, 30.2%
OKLCH 0.0 0.0 0.0 0.5612 0.1159 241.0

Contrast & Accessibility

4.6:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #247CB2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #247CB2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #247CB2);
background: linear-gradient(135deg, #000000, #247CB2);

Explore Each Color

Related Comparisons