black

#000000

#137DEC

#137DEC

Contrast Ratio

5.17:1

Delta E

83.72

Very Different

50:50 Mix

Color Values

Format #000000 #137DEC
HEX #000000 #137DEC
RGB 0, 0, 0 19, 125, 236
HSL 0.0, 0.0%, 0.0% 210.7, 85.1%, 50.0%
HSV 0.0, 0.0%, 0.0% 210.7, 91.9%, 92.5%
CMYK 0%, 0%, 0%, 100% 91.9%, 47.0%, 0.0%, 7.5%
OKLCH 0.0 0.0 0.0 0.5968 0.1891 255.1

Contrast & Accessibility

5.17:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #137DEC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #137DEC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #137DEC);
background: linear-gradient(135deg, #000000, #137DEC);

Explore Each Color

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