black

#000000

#537ECF

#537ECF

Contrast Ratio

5.25:1

Delta E

71.28

Very Different

50:50 Mix

Color Values

Format #000000 #537ECF
HEX #000000 #537ECF
RGB 0, 0, 0 83, 126, 207
HSL 0.0, 0.0%, 0.0% 219.2, 56.4%, 56.9%
HSV 0.0, 0.0%, 0.0% 219.2, 59.9%, 81.2%
CMYK 0%, 0%, 0%, 100% 59.9%, 39.1%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.6 0.1329 262.0

Contrast & Accessibility

5.25:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #537ECF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #537ECF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #537ECF);
background: linear-gradient(135deg, #000000, #537ECF);

Explore Each Color

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