black

#000000

#637FCC

#637FCC

Contrast Ratio

5.44:1

Delta E

70.21

Very Different

50:50 Mix

#343F61

Color Values

Format #000000 #637FCC
HEX #000000 #637FCC
RGB 0, 0, 0 99, 127, 204
HSL 0.0, 0.0%, 0.0% 224.0, 50.7%, 59.4%
HSV 0.0, 0.0%, 0.0% 224.0, 51.5%, 80.0%
CMYK 0%, 0%, 0%, 100% 51.5%, 37.7%, 0.0%, 20.0%
OKLCH 0.0 0.0 0.0 0.6095 0.1217 267.6

Contrast & Accessibility

5.44:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637FCC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637FCC

Color Difference (Delta E)

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

Gradient

#000000 #171923 #262B41 #343F61 #445383 #5369A7 #637FCC

Color Mixing

#000000

100%

#1E2232

75:25

#343F61

50:50

#4B5E95

25:75

#637FCC

100%

CSS Gradient Code

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

Explore Each Color

black

View full color details

#637FCC

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