black

#000000

#644457

#644457

Contrast Ratio

2.51:1

Delta E

37.6

Very Different

50:50 Mix

#33252D

Color Values

Format #000000 #644457
HEX #000000 #644457
RGB 0, 0, 0 100, 68, 87
HSL 0.0, 0.0%, 0.0% 324.4, 19.0%, 32.9%
HSV 0.0, 0.0%, 0.0% 324.4, 32.0%, 39.2%
CMYK 0%, 0%, 0%, 100% 0.0%, 32.0%, 13.0%, 60.8%
OKLCH 0.0 0.0 0.0 0.429 0.0523 343.1

Contrast & Accessibility

2.51:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644457 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644457

Color Difference (Delta E)

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

Gradient

#000000 #161114 #241B20 #33252D #432F3B #533949 #644457

Color Mixing

#000000

100%

#1D161A

75:25

#33252D

50:50

#4B3441

25:75

#644457

100%

CSS Gradient Code

background: linear-gradient(to right, #000000, #644457);
background: linear-gradient(135deg, #000000, #644457);

Explore Each Color

black

View full color details

#644457

View full color details

Related Comparisons