black

#000000

#577EB7

#577EB7

Contrast Ratio

5.07:1

Delta E

62.51

Very Different

50:50 Mix

Color Values

Format #000000 #577EB7
HEX #000000 #577EB7
RGB 0, 0, 0 87, 126, 183
HSL 0.0, 0.0%, 0.0% 215.6, 40.0%, 52.9%
HSV 0.0, 0.0%, 0.0% 215.6, 52.5%, 71.8%
CMYK 0%, 0%, 0%, 100% 52.5%, 31.1%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.5889 0.0984 257.8

Contrast & Accessibility

5.07:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #577EB7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #577EB7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #577EB7);
background: linear-gradient(135deg, #000000, #577EB7);

Explore Each Color

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