black

#000000

#637ABB

#637ABB

Contrast Ratio

5.03:1

Delta E

64.42

Very Different

50:50 Mix

Color Values

Format #000000 #637ABB
HEX #000000 #637ABB
RGB 0, 0, 0 99, 122, 187
HSL 0.0, 0.0%, 0.0% 224.3, 39.3%, 56.1%
HSV 0.0, 0.0%, 0.0% 224.3, 47.1%, 73.3%
CMYK 0%, 0%, 0%, 100% 47.1%, 34.8%, 0.0%, 26.7%
OKLCH 0.0 0.0 0.0 0.5896 0.1036 268.3

Contrast & Accessibility

5.03:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637ABB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637ABB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637ABB);
background: linear-gradient(135deg, #000000, #637ABB);

Explore Each Color

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