black

#000000

#277EB3

#277EB3

Contrast Ratio

4.72:1

Delta E

61.72

Very Different

50:50 Mix

Color Values

Format #000000 #277EB3
HEX #000000 #277EB3
RGB 0, 0, 0 39, 126, 179
HSL 0.0, 0.0%, 0.0% 202.7, 64.2%, 42.7%
HSV 0.0, 0.0%, 0.0% 202.7, 78.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 78.2%, 29.6%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5673 0.1145 240.5

Contrast & Accessibility

4.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #277EB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #277EB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #277EB3);
background: linear-gradient(135deg, #000000, #277EB3);

Explore Each Color

Related Comparisons