black

#000000

#377EC3

#377EC3

Contrast Ratio

4.93:1

Delta E

66.68

Very Different

50:50 Mix

Color Values

Format #000000 #377EC3
HEX #000000 #377EC3
RGB 0, 0, 0 55, 126, 195
HSL 0.0, 0.0%, 0.0% 209.6, 56.0%, 49.0%
HSV 0.0, 0.0%, 0.0% 209.6, 71.8%, 76.5%
CMYK 0%, 0%, 0%, 100% 71.8%, 35.4%, 0.0%, 23.5%
OKLCH 0.0 0.0 0.0 0.581 0.1279 250.4

Contrast & Accessibility

4.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #377EC3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #377EC3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #377EC3);
background: linear-gradient(135deg, #000000, #377EC3);

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